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11-Building.html
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<!DOCTYPE html><html lang="zh-CN"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width,height=device-height,initial-scale=1.0"><meta name="apple-mobile-web-app-capable" content="yes"><meta http-equiv="X-UA-Compatible" content="ie=edge"><meta property="og:type" content="website"><meta name="twitter:card" content="summary"><style>@media screen{body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button,body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container button,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container button{appearance:none;background-color:initial;border:0;color:inherit;cursor:pointer;font-size:inherit;opacity:.8;outline:none;padding:0;transition:opacity .2s linear;-webkit-tap-highlight-color:transparent}body[data-bespoke-view=""] 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.bespoke-marp-presenter-note-buttons{background:#000000a6;border-radius:4px;bottom:0;display:flex;gap:4px;margin:12px;opacity:0;padding:6px;pointer-events:none;position:absolute;right:0;transition:opacity .2s linear}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container .bespoke-marp-presenter-note-buttons:focus-within,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container .bespoke-marp-presenter-note-wrapper:focus-within+.bespoke-marp-presenter-note-buttons,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container:hover .bespoke-marp-presenter-note-buttons{opacity:1;pointer-events:auto}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container .bespoke-marp-note{box-sizing:border-box;font-size:calc(1.1em*var(--bespoke-marp-note-font-scale, 1));height:calc(100% - 40px);margin:20px;overflow:auto;padding-right:3px;white-space:pre-wrap;width:calc(100% - 40px);word-wrap:break-word;scrollbar-color:#eeeeee80 #0000;scrollbar-width:thin}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container .bespoke-marp-note::-webkit-scrollbar{width:6px}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container .bespoke-marp-note::-webkit-scrollbar-track{background:#0000}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container .bespoke-marp-note::-webkit-scrollbar-thumb{background:#eeeeee80;border-radius:6px}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container .bespoke-marp-note:empty{pointer-events:none}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container .bespoke-marp-note.active{display:block}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container .bespoke-marp-note p:first-child{margin-top:0}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container .bespoke-marp-note p:last-child{margin-bottom:0}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container{align-items:center;box-sizing:border-box;color:#eee;display:flex;flex-wrap:nowrap;grid-area:info;justify-content:center;overflow:hidden;padding:0 10px}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container .bespoke-marp-presenter-info-page,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container .bespoke-marp-presenter-info-time,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container .bespoke-marp-presenter-info-timer{box-sizing:border-box;display:block;padding:0 10px;white-space:nowrap;width:100%}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container button{height:1.5em;line-height:1.5em;width:1.5em}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container .bespoke-marp-presenter-info-page{order:2;text-align:center}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container .bespoke-marp-presenter-info-page .bespoke-marp-presenter-info-page-text{display:inline-block;min-width:120px;text-align:center}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container .bespoke-marp-presenter-info-time{color:#999;order:1;text-align:left}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container .bespoke-marp-presenter-info-timer{color:#999;order:3;text-align:right}body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container .bespoke-marp-presenter-info-timer:hover{cursor:pointer}}@media print{.bespoke-marp-presenter-info-container,.bespoke-marp-presenter-next-container,.bespoke-marp-presenter-note-container{display:none}}</style><style>@charset "UTF-8";@import "https://fonts.bunny.net/css?family=Lato:400,900|Roboto+Mono:400,700&display=swap";div#\:\$p > svg > foreignObject > section{width:1280px;height:720px;box-sizing:border-box;overflow:hidden;position:relative;scroll-snap-align:center center;-webkit-text-size-adjust:100%;text-size-adjust:100%}div#\:\$p > svg > foreignObject > section::after{bottom:0;content:attr(data-marpit-pagination);padding:inherit;pointer-events:none;position:absolute;right:0}div#\:\$p > svg > foreignObject > section:not([data-marpit-pagination])::after{display:none}div#\:\$p > svg > foreignObject > section :is(h1, marp-h1){font-size:2em;margin:0.67em 0}div#\:\$p > svg > foreignObject > section video::-webkit-media-controls{will-change:transform}@page {size:1280px 720px;margin:0}@media print{html, body{background-color:#fff;margin:0;page-break-inside:avoid;break-inside:avoid-page}div#\:\$p > svg > foreignObject > section{page-break-before:always;break-before:page}div#\:\$p > svg > foreignObject > section, div#\:\$p > svg > foreignObject > section *{-webkit-print-color-adjust:exact!important;animation-delay:0s!important;animation-duration:0s!important;color-adjust:exact!important;transition:none!important}div#\:\$p > svg[data-marpit-svg]{display:block;height:100vh;width:100vw}}div#\:\$p > svg > foreignObject > :where(section){container-type:size}div#\:\$p > svg > foreignObject > section img[data-marp-twemoji]{background:transparent;height:1em;margin:0 .05em 0 .1em;vertical-align:-.1em;width:1em}/*!
* Marp / Marpit Gaia theme.
*
* @theme gaia
* @author Yuki Hattori
*
* @auto-scaling true
* @size 16:9 1280px 720px
* @size 4:3 960px 720px
*/div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) code.hljs{display:block;overflow-x:auto;padding:1em}div#\:\$p > svg > foreignObject > section code.hljs{padding:3px 5px}div#\:\$p > svg > foreignObject > section .hljs{background:#000;color:#f8f8f8}div#\:\$p > svg > foreignObject > section .hljs-comment,div#\:\$p > svg > foreignObject > section .hljs-quote{color:#aeaeae;font-style:italic}div#\:\$p > svg > foreignObject > section .hljs-keyword,div#\:\$p > svg > foreignObject > section .hljs-selector-tag,div#\:\$p > svg > foreignObject > section .hljs-type{color:#e28964}div#\:\$p > svg > foreignObject > section .hljs-string{color:#65b042}div#\:\$p > svg > foreignObject > section .hljs-subst{color:#daefa3}div#\:\$p > svg > foreignObject > section .hljs-link,div#\:\$p > svg > foreignObject > section .hljs-regexp{color:#e9c062}div#\:\$p > svg > foreignObject > section .hljs-name,div#\:\$p > svg > foreignObject > section .hljs-section,div#\:\$p > svg > foreignObject > section .hljs-tag,div#\:\$p > svg > foreignObject > section .hljs-title{color:#89bdff}div#\:\$p > svg > foreignObject > section .hljs-class .hljs-title,div#\:\$p > svg > foreignObject > section .hljs-doctag,div#\:\$p > svg > foreignObject > section .hljs-title.class_{text-decoration:underline}div#\:\$p > svg > foreignObject > section .hljs-bullet,div#\:\$p > svg > foreignObject > section .hljs-number,div#\:\$p > svg > foreignObject > section .hljs-symbol{color:#3387cc}div#\:\$p > svg > foreignObject > section .hljs-params,div#\:\$p > svg > foreignObject > section .hljs-template-variable,div#\:\$p > svg > foreignObject > section .hljs-variable{color:#3e87e3}div#\:\$p > svg > foreignObject > section .hljs-attribute{color:#cda869}div#\:\$p > svg > foreignObject > section .hljs-meta{color:#8996a8}div#\:\$p > svg > foreignObject > section .hljs-formula{background-color:#0e2231;color:#f8f8f8;font-style:italic}div#\:\$p > svg > foreignObject > section .hljs-addition{background-color:#253b22;color:#f8f8f8}div#\:\$p > svg > foreignObject > section .hljs-deletion{background-color:#420e09;color:#f8f8f8}div#\:\$p > svg > foreignObject > section .hljs-selector-class{color:#9b703f}div#\:\$p > svg > foreignObject > section .hljs-selector-id{color:#8b98ab}div#\:\$p > svg > foreignObject > section .hljs-emphasis{font-style:italic}div#\:\$p > svg > foreignObject > section .hljs-strong{font-weight:700}div#\:\$p > svg > foreignObject > section :is(h1, marp-h1),div#\:\$p > svg > foreignObject > section :is(h2, marp-h2),div#\:\$p > svg > foreignObject > section :is(h3, marp-h3),div#\:\$p > svg > foreignObject > section :is(h4, marp-h4),div#\:\$p > svg > foreignObject > section :is(h5, marp-h5),div#\:\$p > svg > foreignObject > section :is(h6, marp-h6){margin:.5em 0 0}div#\:\$p > svg > foreignObject > section :is(h1, marp-h1) strong,div#\:\$p > svg > foreignObject > section :is(h2, marp-h2) strong,div#\:\$p > svg > foreignObject > section :is(h3, marp-h3) strong,div#\:\$p > svg > foreignObject > section :is(h4, marp-h4) strong,div#\:\$p > svg > foreignObject > section :is(h5, marp-h5) strong,div#\:\$p > svg > foreignObject > section :is(h6, marp-h6) strong{font-weight:inherit}div#\:\$p > svg > foreignObject > section :is(h1, marp-h1)::part(auto-scaling),div#\:\$p > svg > foreignObject > section :is(h2, marp-h2)::part(auto-scaling),div#\:\$p > svg > foreignObject > section :is(h3, marp-h3)::part(auto-scaling),div#\:\$p > svg > foreignObject > section :is(h4, marp-h4)::part(auto-scaling),div#\:\$p > svg > foreignObject > section :is(h5, marp-h5)::part(auto-scaling),div#\:\$p > svg > foreignObject > section :is(h6, marp-h6)::part(auto-scaling){max-height:580px}div#\:\$p > svg > foreignObject > section :is(h1, marp-h1){font-size:1.8em}div#\:\$p > svg > foreignObject > section :is(h2, marp-h2){font-size:1.5em}div#\:\$p > svg > foreignObject > section :is(h3, marp-h3){font-size:1.3em}div#\:\$p > svg > foreignObject > section :is(h4, marp-h4){font-size:1.1em}div#\:\$p > svg > foreignObject > section :is(h5, marp-h5){font-size:1em}div#\:\$p > svg > foreignObject > section :is(h6, marp-h6){font-size:.9em}div#\:\$p > svg > foreignObject > section blockquote,div#\:\$p > svg > foreignObject > section p{margin:1em 0 0}div#\:\$p > svg > foreignObject > section ol>li,div#\:\$p > svg > foreignObject > section ul>li{margin:.3em 0 0}div#\:\$p > svg > foreignObject > section ol>li>p,div#\:\$p > svg > foreignObject > section ul>li>p{margin:.6em 0 0}div#\:\$p > svg > foreignObject > section code{display:inline-block;font-family:Roboto Mono,monospace;font-size:.8em;letter-spacing:0;margin:-.1em .15em;padding:.1em .2em;vertical-align:baseline}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre){display:block;margin:1em 0 0;overflow:visible}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre) code{box-sizing:border-box;font-size:.7em;margin:0;min-width:100%;padding:.5em}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre)::part(auto-scaling){max-height:calc(580px - 1em)}div#\:\$p > svg > foreignObject > section blockquote{margin:1em 0 0;padding:0 1em;position:relative}div#\:\$p > svg > foreignObject > section blockquote:after,div#\:\$p > svg > foreignObject > section blockquote:before{content:"“";display:block;font-family:Times New Roman,serif;font-weight:700;position:absolute}div#\:\$p > svg > foreignObject > section blockquote:before{left:0;top:0}div#\:\$p > svg > foreignObject > section blockquote:after{bottom:0;right:0;transform:rotate(180deg)}div#\:\$p > svg > foreignObject > section blockquote>:first-child{margin-top:0}div#\:\$p > svg > foreignObject > section mark{background:transparent}div#\:\$p > svg > foreignObject > section table{border-collapse:collapse;border-spacing:0;margin:1em 0 0}div#\:\$p > svg > foreignObject > section table td,div#\:\$p > svg > foreignObject > section table th{border-style:solid;border-width:1px;padding:.2em .4em}div#\:\$p > svg > foreignObject > section footer,div#\:\$p > svg > foreignObject > section header,div#\:\$p > svg > foreignObject > section:after{box-sizing:border-box;font-size:66%;height:70px;line-height:50px;overflow:hidden;padding:10px 25px;position:absolute}div#\:\$p > svg > foreignObject > section:after{--marpit-root-font-size:66%;}div#\:\$p > svg > foreignObject > section header{top:0}div#\:\$p > svg > foreignObject > section footer,div#\:\$p > svg > foreignObject > section header{left:0;right:0}div#\:\$p > svg > foreignObject > section footer{bottom:0}div#\:\$p > svg > foreignObject > section{background-color:var(--color-background);background-image:linear-gradient(135deg, hsla(0,0%,53%,0), hsla(0,0%,53%,.02) 50%, hsla(0,0%,100%,0) 0, hsla(0,0%,100%,.05));color:var(--color-foreground);font-family:Lato,Avenir Next,Avenir,Trebuchet MS,Segoe UI,sans-serif;font-size:35px;height:720px;letter-spacing:1.25px;line-height:1.35;padding:70px;width:1280px;word-wrap:break-word;--color-background:#fff8e1;--color-background-stripe:rgba(69,90,100,.1);--color-foreground:#455a64;--color-dimmed:#6a7a7d;--color-highlight:#0288d1;}div#\:\$p > svg > foreignObject > section{--marpit-root-font-size:35px;}div#\:\$p > svg > foreignObject > section:after{bottom:0;font-size:80%;right:0}div#\:\$p > svg > foreignObject > section:after{--marpit-root-font-size:80%;}div#\:\$p > svg > foreignObject > section a,div#\:\$p > svg > foreignObject > section mark{color:var(--color-highlight)}div#\:\$p > svg > foreignObject > section code{background:var(--color-dimmed);color:var(--color-background)}div#\:\$p > svg > foreignObject > section :is(h1, marp-h1) strong,div#\:\$p > svg > foreignObject > section :is(h2, marp-h2) strong,div#\:\$p > svg > foreignObject > section :is(h3, marp-h3) strong,div#\:\$p > svg > foreignObject > section :is(h4, marp-h4) strong,div#\:\$p > svg > foreignObject > section :is(h5, marp-h5) strong,div#\:\$p > svg > foreignObject > section :is(h6, marp-h6) strong{color:var(--color-highlight)}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre){background:var(--color-foreground)}div#\:\$p > svg > foreignObject > section :is(pre, marp-pre)>code{background:transparent}div#\:\$p > svg > foreignObject > section blockquote:after,div#\:\$p > svg > foreignObject > section blockquote:before,div#\:\$p > svg > foreignObject > section footer,div#\:\$p > svg > foreignObject > section header,div#\:\$p > svg > foreignObject > section section:after{color:var(--color-dimmed)}div#\:\$p > svg > foreignObject > section table td,div#\:\$p > svg > foreignObject > section table th{border-color:var(--color-foreground)}div#\:\$p > svg > foreignObject > section table thead th{background:var(--color-foreground);color:var(--color-background)}div#\:\$p > svg > foreignObject > section table tbody>tr:nth-child(odd) td,div#\:\$p > svg > foreignObject > section table tbody>tr:nth-child(odd) th{background:var(--color-background-stripe, transparent)}div#\:\$p > svg > foreignObject > section>:first-child,div#\:\$p > svg > foreignObject > section>header:first-child+*{margin-top:0}div#\:\$p > svg > foreignObject > section:where(.invert){--color-background:#455a64;--color-background-stripe:rgba(255,248,225,.1);--color-foreground:#fff8e1;--color-dimmed:#dad8c8;--color-highlight:#81d4fa;}div#\:\$p > svg > foreignObject > section:where(.gaia){--color-background:#0288d1;--color-background-stripe:rgba(255,248,225,.1);--color-foreground:#fff8e1;--color-dimmed:#cce2de;--color-highlight:#81d4fa;}div#\:\$p > svg > foreignObject > section:where(.lead){align-items:stretch;flex-flow:column nowrap;place-content:safe center center}div#\:\$p > svg > foreignObject > section:where(.lead) :is(h1, marp-h1),div#\:\$p > svg > foreignObject > section:where(.lead) :is(h2, marp-h2),div#\:\$p > svg > foreignObject > section:where(.lead) :is(h3, marp-h3),div#\:\$p > svg > foreignObject > section:where(.lead) :is(h4, marp-h4),div#\:\$p > svg > foreignObject > section:where(.lead) :is(h5, marp-h5),div#\:\$p > svg > foreignObject > section:where(.lead) :is(h6, marp-h6){text-align:center}div#\:\$p > svg > foreignObject > section:where(.lead) p{text-align:center}div#\:\$p > svg > foreignObject > section:where(.lead) blockquote>:is(h1, marp-h1),div#\:\$p > svg > foreignObject > section:where(.lead) blockquote>:is(h2, marp-h2),div#\:\$p > svg > foreignObject > section:where(.lead) blockquote>:is(h3, marp-h3),div#\:\$p > svg > foreignObject > section:where(.lead) blockquote>:is(h4, marp-h4),div#\:\$p > svg > foreignObject > section:where(.lead) blockquote>:is(h5, marp-h5),div#\:\$p > svg > foreignObject > section:where(.lead) blockquote>:is(h6, marp-h6),div#\:\$p > svg > foreignObject > section:where(.lead) blockquote>p{text-align:left}div#\:\$p > svg > foreignObject > section:where(.lead) ol>li>p,div#\:\$p > svg > foreignObject > section:where(.lead) ul>li>p{text-align:left}div#\:\$p > svg > foreignObject > section:where(.lead) table{margin-left:auto;margin-right:auto}div#\:\$p > svg > foreignObject > section img{display:block;margin:0 auto}div#\:\$p > svg > foreignObject > section[data-marpit-advanced-background="background"]{columns:initial!important;display:block!important;padding:0!important}div#\:\$p > svg > foreignObject > section[data-marpit-advanced-background="background"]::before, div#\:\$p > svg > foreignObject > section[data-marpit-advanced-background="background"]::after, div#\:\$p > svg > foreignObject > section[data-marpit-advanced-background="content"]::before, div#\:\$p > svg > foreignObject > section[data-marpit-advanced-background="content"]::after{display:none!important}div#\:\$p > svg > foreignObject > section[data-marpit-advanced-background="background"] > div[data-marpit-advanced-background-container]{all:initial;display:flex;flex-direction:row;height:100%;overflow:hidden;width:100%}div#\:\$p > svg > foreignObject > section[data-marpit-advanced-background="background"] > div[data-marpit-advanced-background-container][data-marpit-advanced-background-direction="vertical"]{flex-direction:column}div#\:\$p > svg > foreignObject > section[data-marpit-advanced-background="background"][data-marpit-advanced-background-split] > div[data-marpit-advanced-background-container]{width:var(--marpit-advanced-background-split, 50%)}div#\:\$p > svg > foreignObject > section[data-marpit-advanced-background="background"][data-marpit-advanced-background-split="right"] > div[data-marpit-advanced-background-container]{margin-left:calc(100% - var(--marpit-advanced-background-split, 50%))}div#\:\$p > svg > foreignObject > section[data-marpit-advanced-background="background"] > div[data-marpit-advanced-background-container] > figure{all:initial;background-position:center;background-repeat:no-repeat;background-size:cover;flex:auto;margin:0}div#\:\$p > svg > foreignObject > section[data-marpit-advanced-background="background"] > div[data-marpit-advanced-background-container] > figure > figcaption{position:absolute;border:0;clip:rect(0, 0, 0, 0);height:1px;margin:-1px;overflow:hidden;padding:0;white-space:nowrap;width:1px}div#\:\$p > svg > foreignObject > section[data-marpit-advanced-background="content"], div#\:\$p > svg > foreignObject > section[data-marpit-advanced-background="pseudo"]{background:transparent!important}div#\:\$p > svg > foreignObject > section[data-marpit-advanced-background="pseudo"], div#\:\$p > svg[data-marpit-svg] > foreignObject[data-marpit-advanced-background="pseudo"]{pointer-events:none!important}div#\:\$p > svg > foreignObject > section[data-marpit-advanced-background-split]{width:100%;height:100%}
</style></head><body><div class="bespoke-marp-osc"><button data-bespoke-marp-osc="prev" tabindex="-1" title="Previous slide">Previous slide</button><span data-bespoke-marp-osc="page"></span><button data-bespoke-marp-osc="next" tabindex="-1" title="Next slide">Next slide</button><button data-bespoke-marp-osc="fullscreen" tabindex="-1" title="Toggle fullscreen (f)">Toggle fullscreen</button><button data-bespoke-marp-osc="presenter" tabindex="-1" title="Open presenter view (p)">Open presenter view</button></div><div id=":$p"><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section data-paginate="true" data-background-color="#fff" data-class="lead" data-theme="gaia" lang="zh-CN" class="lead" data-marpit-pagination="1" style="--paginate:true;--background-color:#fff;--class:lead;--theme:gaia;background-color:#fff;background-image:none;--marpit-advanced-background-split:40%;" data-marpit-pagination-total="35" data-marpit-advanced-background="background" data-marpit-advanced-background-split="right"><div data-marpit-advanced-background-container="true" data-marpit-advanced-background-direction="horizontal"><figure style="background-image:url("images/Java_logo.png");background-size:90%;"></figure></div></section></foreignObject><foreignObject width="60%" height="720"><section id="1" data-paginate="true" data-background-color="#fff" data-class="lead" data-theme="gaia" lang="zh-CN" class="lead" data-marpit-pagination="1" style="--paginate:true;--background-color:#fff;--class:lead;--theme:gaia;background-color:#fff;background-image:none;--marpit-advanced-background-split:40%;" data-marpit-pagination-total="35" data-marpit-advanced-background="content" data-marpit-advanced-background-split="right">
<h1 id="java%E9%AB%98%E7%BA%A7%E7%A8%8B%E5%BA%8F%E8%AE%BE%E8%AE%A1">Java高级程序设计</h1>
<h2 id="%E8%87%AA%E5%8A%A8%E6%9E%84%E5%BB%BA">自动构建</h2>
</section>
</foreignObject><foreignObject width="1280" height="720" data-marpit-advanced-background="pseudo"><section data-paginate="true" data-background-color="#fff" data-class="lead" data-theme="gaia" lang="zh-CN" class="lead" data-marpit-pagination="1" style="" data-marpit-pagination-total="35" data-marpit-advanced-background="pseudo" data-marpit-advanced-background-split="right"></section></foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="2" data-paginate="true" data-background-color="#fff" data-theme="gaia" lang="zh-CN" data-marpit-pagination="2" style="--paginate:true;--background-color:#fff;--theme:gaia;background-color:#fff;background-image:none;" data-marpit-pagination-total="35">
<h2 id="%E8%87%AA%E5%8A%A8%E6%9E%84%E5%BB%BA-build-automation">自动构建 Build automation</h2>
<p>Build automation is the process of automating the creation of a software build and the associated processes including: compiling computer source code into binary code, packaging binary code, and running automated tests.</p>
<div style="text-align:right;">--wikipedia</div>
<blockquote>
<p>工欲善其事，必先利其器</p>
</blockquote>
</section>
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<h1 id="make"><a href="http://www.ruanyifeng.com/blog/2015/02/make.html">Make</a></h1>
<p>假设a.txt来源于合并b.txt 和c.txt</p>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-bash">$ <span class="hljs-built_in">cat</span> b.txt c.txt > a.txt
</code></pre>
<p>可以定义一个Makefile</p>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-makefile"><span class="hljs-section">a.txt: b.txt c.txt</span>
cat b.txt c.txt > a.txt
</code></pre>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-bash">$ make a.txt
</code></pre>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="4" data-paginate="true" data-background-color="#fff" data-theme="gaia" lang="zh-CN" data-marpit-pagination="4" style="--paginate:true;--background-color:#fff;--theme:gaia;background-color:#fff;background-image:none;" data-marpit-pagination-total="35">
<h1 id="makefile">Makefile</h1>
<p>A makefile is a special file that lists a set of rules for compiling a project. These rules include targets, which can be an action <code>make</code> needs to take (eg. "clean" or "build") or the files/objects make will need to build (eg. .o files or an executable), and the commands that need to be run in order to build that target. When you call the program <code>make</code>, it runs through each of these targets in your Makefile and executes them.</p>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-makefile"><span class="hljs-section">target: dependencies</span>
steps to build target with dependencies
</code></pre>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="5" data-paginate="true" data-background-color="#fff" data-theme="gaia" lang="zh-CN" data-marpit-pagination="5" style="--paginate:true;--background-color:#fff;--theme:gaia;background-color:#fff;background-image:none;" data-marpit-pagination-total="35">
<p><code>hellomake.c</code> / <code>hellofunc.c</code> / <code>hellomake.h</code></p>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-c"><span class="hljs-meta">#<span class="hljs-keyword">include</span> <span class="hljs-string"><hellomake.h></span></span>
<span class="hljs-type">int</span> <span class="hljs-title function_">main</span><span class="hljs-params">()</span> {
myPrintHelloMake();
<span class="hljs-keyword">return</span>(<span class="hljs-number">0</span>);
}
</code></pre>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-c"><span class="hljs-meta">#<span class="hljs-keyword">include</span> <span class="hljs-string"><stdio.h></span></span>
<span class="hljs-meta">#<span class="hljs-keyword">include</span> <span class="hljs-string"><hellomake.h></span></span>
<span class="hljs-type">void</span> <span class="hljs-title function_">myPrintHelloMake</span><span class="hljs-params">(<span class="hljs-type">void</span>)</span> {
<span class="hljs-built_in">printf</span>(<span class="hljs-string">"Hello, Hacker Schoolers!\n"</span>);
<span class="hljs-keyword">return</span>;
}
</code></pre>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-c"><span class="hljs-type">void</span> <span class="hljs-title function_">myPrintHelloMake</span><span class="hljs-params">(<span class="hljs-type">void</span>)</span>;
</code></pre>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="6" data-paginate="true" data-background-color="#fff" data-theme="gaia" lang="zh-CN" data-marpit-pagination="6" style="--paginate:true;--background-color:#fff;--theme:gaia;background-color:#fff;background-image:none;" data-marpit-pagination-total="35">
<h1 id="makefile--v1">Makefile -v1</h1>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-makefile">
<span class="hljs-section">hellomake: hellomake.c hellofunc.c</span>
gcc -o hellomake hellomake.c hellofunc.c -I.
<span class="hljs-section">clean:</span>
rm -f *.o hellomake
</code></pre>
<p><small><a href="https://cs.colby.edu/maxwell/courses/tutorials/maketutor/">https://cs.colby.edu/maxwell/courses/tutorials/maketutor/</a></small></p>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="7" data-paginate="true" data-background-color="#fff" data-theme="gaia" lang="zh-CN" data-marpit-pagination="7" style="--paginate:true;--background-color:#fff;--theme:gaia;background-color:#fff;background-image:none;" data-marpit-pagination-total="35">
<h1 id="makefile--v2">Makefile -v2</h1>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-makefile">
CC=gcc
CFLAGS=-I.
<span class="hljs-section">hellomake: hellomake.o hellofunc.o</span>
<span class="hljs-variable">$(CC)</span> -o hellomake hellomake.o hellofunc.o
<span class="hljs-section">clean:</span>
rm -f *.o hellomake
</code></pre>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="8" data-paginate="true" data-background-color="#fff" data-theme="gaia" lang="zh-CN" data-marpit-pagination="8" style="--paginate:true;--background-color:#fff;--theme:gaia;background-color:#fff;background-image:none;" data-marpit-pagination-total="35">
<h1 id="makefile--v3">Makefile -v3</h1>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-makefile">CC=gcc
CFLAGS=-I.
DEPS = hellomake.h
<span class="hljs-comment"># $@ is the left side of the :</span>
<span class="hljs-comment"># the $< is the first item in the dependencies list</span>
<span class="hljs-section">%.o: %.c <span class="hljs-variable">$(DEPS)</span></span>
<span class="hljs-variable">$(CC)</span> -c -o <span class="hljs-variable">$@</span> <span class="hljs-variable">$<</span> <span class="hljs-variable">$(CFLAGS)</span>
<span class="hljs-section">hellomake: hellomake.o hellofunc.o </span>
<span class="hljs-variable">$(CC)</span> -o hellomake hellomake.o hellofunc.o
<span class="hljs-section">clean:</span>
rm -f *.o hellomake
</code></pre>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="9" data-paginate="true" data-background-color="#fff" data-theme="gaia" lang="zh-CN" data-marpit-pagination="9" style="--paginate:true;--background-color:#fff;--theme:gaia;background-color:#fff;background-image:none;" data-marpit-pagination-total="35">
<h1 id="makefile--v4">Makefile -v4</h1>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-makefile">CC=gcc
CFLAGS=-I.
DEPS = hellomake.h
OBJ = hellomake.o hellofunc.o
<span class="hljs-section">%.o: %.c <span class="hljs-variable">$(DEPS)</span></span>
<span class="hljs-variable">$(CC)</span> -c -o <span class="hljs-variable">$@</span> <span class="hljs-variable">$<</span> <span class="hljs-variable">$(CFLAGS)</span>
<span class="hljs-comment"># $@ and $^ are the left and right sides of the :, respectively,</span>
<span class="hljs-section">hellomake: <span class="hljs-variable">$(OBJ)</span></span>
<span class="hljs-variable">$(CC)</span> -o <span class="hljs-variable">$@</span> <span class="hljs-variable">$^</span> <span class="hljs-variable">$(CFLAGS)</span>
<span class="hljs-meta"><span class="hljs-keyword">.PHONY</span>: clean</span>
<span class="hljs-section">clean:</span>
rm -f *.o hellomake
</code></pre>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="10" data-paginate="true" data-background-color="#fff" data-theme="gaia" lang="zh-CN" data-marpit-pagination="10" style="--paginate:true;--background-color:#fff;--theme:gaia;background-color:#fff;background-image:none;" data-marpit-pagination-total="35">
<h1 id="%E6%9E%84%E5%BB%BA%E5%B7%A5%E5%85%B7">构建工具</h1>
<ul>
<li>Make <a href="https://www.gnu.org/software/make/">https://www.gnu.org/software/make/</a></li>
<li>Rake <a href="https://ruby.github.io/rake/">https://ruby.github.io/rake/</a></li>
<li>Cake <a href="https://coffeescript.org/v1/annotated-source/cake.html">https://coffeescript.org/v1/annotated-source/cake.html</a></li>
<li>MSBuild <a href="https://docs.microsoft.com/en-us/visualstudio/msbuild">https://docs.microsoft.com/en-us/visualstudio/msbuild</a></li>
<li>Ant <a href="https://ant.apache.org/">https://ant.apache.org/</a></li>
<li>Gradle <a href="https://gradle.org/">https://gradle.org/</a></li>
</ul>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section data-paginate="true" data-background-color="#fff" data-theme="gaia" lang="zh-CN" data-marpit-pagination="11" style="--paginate:true;--background-color:#fff;--theme:gaia;background-color:#fff;background-image:none;--marpit-advanced-background-split:40%;" data-marpit-pagination-total="35" data-marpit-advanced-background="background" data-marpit-advanced-background-split="right"><div data-marpit-advanced-background-container="true" data-marpit-advanced-background-direction="horizontal"><figure style="background-image:url("images/11/maven.png");background-size:contain;"></figure></div></section></foreignObject><foreignObject width="60%" height="720"><section id="11" data-paginate="true" data-background-color="#fff" data-theme="gaia" lang="zh-CN" data-marpit-pagination="11" style="--paginate:true;--background-color:#fff;--theme:gaia;background-color:#fff;background-image:none;--marpit-advanced-background-split:40%;" data-marpit-pagination-total="35" data-marpit-advanced-background="content" data-marpit-advanced-background-split="right">
<h1 id="apache-maven">Apache Maven</h1>
<p>Apache Maven is a software project management and comprehension tool. Based on the concept of a project object model (POM), Maven can manage a project's build, reporting and documentation from a central piece of information.</p>
<p><a href="https://maven.apache.org/">https://maven.apache.org/</a></p>
</section>
</foreignObject><foreignObject width="1280" height="720" data-marpit-advanced-background="pseudo"><section data-paginate="true" data-background-color="#fff" data-theme="gaia" lang="zh-CN" data-marpit-pagination="11" style="" data-marpit-pagination-total="35" data-marpit-advanced-background="pseudo" data-marpit-advanced-background-split="right"></section></foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="12" data-paginate="true" data-background-color="#fff" data-theme="gaia" lang="zh-CN" data-marpit-pagination="12" style="--paginate:true;--background-color:#fff;--theme:gaia;background-color:#fff;background-image:none;" data-marpit-pagination-total="35">
<h1 id="project-object-model-pom">Project object model (POM)</h1>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-xml"><span class="hljs-tag"><<span class="hljs-name">project</span> <span class="hljs-attr">xmlns</span>=<span class="hljs-string">"http://maven.apache.org/POM/4.0.0"</span>
<span class="hljs-attr">xmlns:xsi</span>=<span class="hljs-string">"http://www.w3.org/2001/XMLSchema-instance"</span>
<span class="hljs-attr">xsi:schemaLocation</span>=<span class="hljs-string">"http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd"</span>></span>
<span class="hljs-tag"><<span class="hljs-name">modelVersion</span>></span>4.0.0<span class="hljs-tag"></<span class="hljs-name">modelVersion</span>></span>
<span class="hljs-tag"><<span class="hljs-name">groupId</span>></span>cn.edu.nju<span class="hljs-tag"></<span class="hljs-name">groupId</span>></span>
<span class="hljs-tag"><<span class="hljs-name">artifactId</span>></span>hello-world<span class="hljs-tag"></<span class="hljs-name">artifactId</span>></span>
<span class="hljs-tag"><<span class="hljs-name">version</span>></span>1.0.0<span class="hljs-tag"></<span class="hljs-name">version</span>></span>
<span class="hljs-tag"><<span class="hljs-name">properties</span>></span>
<span class="hljs-tag"><<span class="hljs-name">maven.compiler.source</span>></span>1.8<span class="hljs-tag"></<span class="hljs-name">maven.compiler.source</span>></span>
<span class="hljs-tag"><<span class="hljs-name">maven.compiler.target</span>></span>1.8<span class="hljs-tag"></<span class="hljs-name">maven.compiler.target</span>></span>
<span class="hljs-tag"></<span class="hljs-name">properties</span>></span>
<span class="hljs-tag"></<span class="hljs-name">project</span>></span>
</code></pre>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="13" data-paginate="true" data-background-color="#fff" data-theme="gaia" lang="zh-CN" data-marpit-pagination="13" style="--paginate:true;--background-color:#fff;--theme:gaia;background-color:#fff;background-image:none;" data-marpit-pagination-total="35">
<h1 id="%E7%9B%AE%E5%BD%95%E7%BB%93%E6%9E%84">目录结构</h1>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code>my-app
|-- pom.xml
`-- src
|-- main
| `-- java
| `-- com
| `-- mycompany
| `-- app
| `-- App.java
`-- test
`-- java
`-- com
`-- mycompany
`-- app
`-- AppTest.java
</code></pre>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="14" data-paginate="true" data-background-color="#fff" data-theme="gaia" lang="zh-CN" data-marpit-pagination="14" style="--paginate:true;--background-color:#fff;--theme:gaia;background-color:#fff;background-image:none;" data-marpit-pagination-total="35">
<h1 id="helloworldjava">HelloWorld.java</h1>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-java"><span class="hljs-keyword">package</span> helloworld;
<span class="hljs-keyword">public</span> <span class="hljs-keyword">class</span> <span class="hljs-title class_">HelloWorld</span> {
<span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> <span class="hljs-keyword">void</span> <span class="hljs-title function_">main</span><span class="hljs-params">(String args[])</span>{
System.out.println(<span class="hljs-string">"Hello World, Maven"</span>);
}
}
</code></pre>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-shell">mvn package
</code></pre>
<p>What does <code>mvn package</code> mean?</p>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="15" data-paginate="true" data-background-color="#fff" data-theme="gaia" lang="zh-CN" data-marpit-pagination="15" style="--paginate:true;--background-color:#fff;--theme:gaia;background-color:#fff;background-image:none;" data-marpit-pagination-total="35">
<h1 id="maven-phases">Maven Phases</h1>
<ul>
<li><strong>validate</strong>: validate the project is correct and all necessary information is available</li>
<li><strong>compile</strong>: compile the source code of the project</li>
<li><strong>test</strong>: test the compiled source code using a suitable unit testing framework. These tests should not require the code be packaged or deployed</li>
<li><strong>package</strong>: take the compiled code and package it in its distributable format, such as a JAR.</li>
</ul>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="16" data-paginate="true" data-background-color="#fff" data-theme="gaia" lang="zh-CN" data-marpit-pagination="16" style="--paginate:true;--background-color:#fff;--theme:gaia;background-color:#fff;background-image:none;" data-marpit-pagination-total="35">
<h2 id="maven-phases-continued">Maven Phases Continued</h2>
<ul>
<li><strong>integration-test</strong>: process and deploy the package if necessary into an environment where integration tests can be run</li>
<li><strong>verify</strong>: run any checks to verify the package is valid and meets quality criteria</li>
<li><strong>install</strong>: install the package into the local repository, for use as a dependency in other projects locally</li>
<li><strong>deploy</strong>: done in an integration or release environment, copies the final package to the remote repository for sharing with other developers and projects.</li>
</ul>
</section>
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<h2 id="math">Math</h2>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-java"><span class="hljs-keyword">package</span> helloworld;
<span class="hljs-keyword">public</span> <span class="hljs-keyword">class</span> <span class="hljs-title class_">Math</span> {
<span class="hljs-comment">/**
* 阶乘
*
* <span class="hljs-doctag">@param</span> n
* <span class="hljs-doctag">@return</span>
*/</span>
<span class="hljs-keyword">public</span> <span class="hljs-type">int</span> <span class="hljs-title function_">factorial</span><span class="hljs-params">(<span class="hljs-type">int</span> n)</span> <span class="hljs-keyword">throws</span> Exception {
<span class="hljs-keyword">if</span> (n < <span class="hljs-number">0</span>) {
<span class="hljs-keyword">throw</span> <span class="hljs-keyword">new</span> <span class="hljs-title class_">Exception</span>(<span class="hljs-string">"负数没有阶乘"</span>);
} <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> (n <= <span class="hljs-number">1</span>) {
<span class="hljs-keyword">return</span> <span class="hljs-number">1</span>;
} <span class="hljs-keyword">else</span> {
<span class="hljs-keyword">return</span> n * factorial(n - <span class="hljs-number">1</span>);
}
}
<span class="hljs-comment">/**
* 斐波那契数列
*
* <span class="hljs-doctag">@param</span> n
* <span class="hljs-doctag">@return</span>
*/</span>
<span class="hljs-keyword">public</span> <span class="hljs-type">int</span> <span class="hljs-title function_">fibonacci</span><span class="hljs-params">(<span class="hljs-type">int</span> n)</span> <span class="hljs-keyword">throws</span> Exception {
<span class="hljs-keyword">if</span> (n <= <span class="hljs-number">0</span>) {
<span class="hljs-keyword">throw</span> <span class="hljs-keyword">new</span> <span class="hljs-title class_">Exception</span>(<span class="hljs-string">"斐波那契数列从第1位开始"</span>);
} <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> (n == <span class="hljs-number">1</span>) {
<span class="hljs-keyword">return</span> <span class="hljs-number">0</span>;
} <span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> (n == <span class="hljs-number">2</span>) {
<span class="hljs-keyword">return</span> <span class="hljs-number">1</span>;
} <span class="hljs-keyword">else</span> {
<span class="hljs-keyword">return</span> fibonacci(n - <span class="hljs-number">1</span>) + fibonacci(n - <span class="hljs-number">2</span>);
}
}
}
</code></pre>
</section>
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<h2 id="%E8%BF%98%E6%98%AF%E9%82%A3%E4%B8%AAmathtest">还是那个MathTest</h2>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-java"><span class="hljs-keyword">package</span> helloworld;
<span class="hljs-keyword">import</span> org.junit.Test;
<span class="hljs-keyword">import</span> <span class="hljs-keyword">static</span> org.junit.Assert.*;
<span class="hljs-keyword">public</span> <span class="hljs-keyword">class</span> <span class="hljs-title class_">MathTest</span> {
<span class="hljs-meta">@Test</span>
<span class="hljs-keyword">public</span> <span class="hljs-keyword">void</span> <span class="hljs-title function_">fibonacci</span><span class="hljs-params">()</span> <span class="hljs-keyword">throws</span> Exception {
assertEquals(<span class="hljs-number">21</span>, <span class="hljs-keyword">new</span> <span class="hljs-title class_">Math</span>().fibonacci(<span class="hljs-number">9</span>));
}
<span class="hljs-meta">@Test</span>
<span class="hljs-keyword">public</span> <span class="hljs-keyword">void</span> <span class="hljs-title function_">testFactorial</span><span class="hljs-params">()</span> <span class="hljs-keyword">throws</span> Exception {
assertEquals(<span class="hljs-number">120</span>, <span class="hljs-keyword">new</span> <span class="hljs-title class_">Math</span>().factorial(<span class="hljs-number">5</span>));
}
}
</code></pre>
</section>
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<h2 id="%E9%9C%80%E8%A6%81junit%E6%80%8E%E4%B9%88%E5%8A%9E">需要JUnit怎么办？</h2>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-xml"> <span class="hljs-tag"><<span class="hljs-name">project</span> <span class="hljs-attr">xmlns</span>=<span class="hljs-string">"http://maven.apache.org/POM/4.0.0"</span>
<span class="hljs-attr">xmlns:xsi</span>=<span class="hljs-string">"http://www.w3.org/2001/XMLSchema-instance"</span>
<span class="hljs-attr">xsi:schemaLocation</span>=<span class="hljs-string">"http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"</span>></span>
<span class="hljs-tag"><<span class="hljs-name">modelVersion</span>></span>4.0.0<span class="hljs-tag"></<span class="hljs-name">modelVersion</span>></span>
<span class="hljs-tag"><<span class="hljs-name">groupId</span>></span>cn.edu.nju<span class="hljs-tag"></<span class="hljs-name">groupId</span>></span>
<span class="hljs-tag"><<span class="hljs-name">artifactId</span>></span>hello-world<span class="hljs-tag"></<span class="hljs-name">artifactId</span>></span>
<span class="hljs-tag"><<span class="hljs-name">version</span>></span>1.0.0<span class="hljs-tag"></<span class="hljs-name">version</span>></span>
<span class="hljs-tag"><<span class="hljs-name">properties</span>></span>
<span class="hljs-tag"><<span class="hljs-name">maven.compiler.source</span>></span>1.8<span class="hljs-tag"></<span class="hljs-name">maven.compiler.source</span>></span>
<span class="hljs-tag"><<span class="hljs-name">maven.compiler.target</span>></span>1.8<span class="hljs-tag"></<span class="hljs-name">maven.compiler.target</span>></span>
<span class="hljs-tag"></<span class="hljs-name">properties</span>></span>
<span class="hljs-tag"><<span class="hljs-name">dependencies</span>></span>
<span class="hljs-tag"><<span class="hljs-name">dependency</span>></span>
<span class="hljs-tag"><<span class="hljs-name">groupId</span>></span>junit<span class="hljs-tag"></<span class="hljs-name">groupId</span>></span>
<span class="hljs-tag"><<span class="hljs-name">artifactId</span>></span>junit<span class="hljs-tag"></<span class="hljs-name">artifactId</span>></span>
<span class="hljs-tag"><<span class="hljs-name">version</span>></span>4.13.1<span class="hljs-tag"></<span class="hljs-name">version</span>></span>
<span class="hljs-tag"></<span class="hljs-name">dependency</span>></span>
<span class="hljs-tag"></<span class="hljs-name">dependencies</span>></span>
<span class="hljs-tag"></<span class="hljs-name">project</span>></span>
</code></pre>
</section>
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<p><small><code>mvn test</code></small></p>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code>$ mvn test
[INFO] Scanning for projects...
[INFO]
[INFO] -----------------------< cn.edu.nju:hello-world >-----------------------
[INFO] Building hello-world 1.0.0
[INFO] --------------------------------[ jar ]---------------------------------
Downloading from central: https://repo.maven.apache.org/maven2/junit/junit/4.13.1/junit-4.13.1.pom
Downloaded from central: https://repo.maven.apache.org/maven2/junit/junit/4.13.1/junit-4.13.1.pom (25 kB at 11 kB/s)
Downloading from central: https://repo.maven.apache.org/maven2/junit/junit/4.13.1/junit-4.13.1.jar
Downloaded from central: https://repo.maven.apache.org/maven2/junit/junit/4.13.1/junit-4.13.1.jar (383 kB at 14 kB/s)
...
-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running helloworld.MathTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.053 sec
Results :
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 30.498 s
[INFO] Finished at: 2020-11-15T15:50:36+08:00
[INFO] ------------------------------------------------------------------------
</code></pre>
</section>
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<h1 id="maven-concepts">Maven Concepts</h1>
<ul>
<li>POM Files</li>
<li>Build Life Cycles, Phases and Goals</li>
<li>Dependencies and Repositories</li>
<li>Build Plugins</li>
<li>Build Profiles</li>
</ul>
</section>
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<h1 id="maven-pom-files">Maven POM Files</h1>
<p>A Maven POM file (Project Object Model) is an XML file that describe the resources of the project. This includes the directories where the source code, test source etc. is located in, what external dependencies (JAR files) your projects has etc.</p>
<p>The POM file describes what to build, but most often not how to build it. How to build it is up to the Maven build phases and goals. You can insert custom actions (goals) into the Maven build phase if you need to, though.</p>
</section>
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<h1 id="pom-inheritance">POM inheritance</h1>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-xml"><span class="hljs-tag"><<span class="hljs-name">project</span> <span class="hljs-attr">xmlns</span>=<span class="hljs-string">"http://maven.apache.org/POM/4.0.0"</span>
<span class="hljs-attr">xmlns:xsi</span>=<span class="hljs-string">"http://www.w3.org/2001/XMLSchema-instance"</span>
<span class="hljs-attr">xsi:schemaLocation</span>=<span class="hljs-string">"http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd"</span>></span>
<span class="hljs-tag"><<span class="hljs-name">modelVersion</span>></span>4.0.0<span class="hljs-tag"></<span class="hljs-name">modelVersion</span>></span>
<span class="hljs-tag"><<span class="hljs-name">parent</span>></span>
<span class="hljs-tag"><<span class="hljs-name">groupId</span>></span>org.codehaus.mojo<span class="hljs-tag"></<span class="hljs-name">groupId</span>></span>
<span class="hljs-tag"><<span class="hljs-name">artifactId</span>></span>my-parent<span class="hljs-tag"></<span class="hljs-name">artifactId</span>></span>
<span class="hljs-tag"><<span class="hljs-name">version</span>></span>2.0<span class="hljs-tag"></<span class="hljs-name">version</span>></span>
<span class="hljs-tag"><<span class="hljs-name">relativePath</span>></span>../my-parent<span class="hljs-tag"></<span class="hljs-name">relativePath</span>></span>
<span class="hljs-tag"></<span class="hljs-name">parent</span>></span>
<span class="hljs-tag"><<span class="hljs-name">artifactId</span>></span>my-project<span class="hljs-tag"></<span class="hljs-name">artifactId</span>></span>
...
<span class="hljs-tag"></<span class="hljs-name">project</span>></span>
</code></pre>
</section>
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<h1 id="running-maven">Running Maven</h1>
<p>Running Maven is done by executing the mvn command from a command prompt. When executing the mvn command you pass the name of a <strong>build life cycle</strong>, <strong>phase</strong> or <strong>goal</strong> to it.</p>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-bash">mvn install
</code></pre>
<p><small>This command executes the build phase called install (part of the default build life cycle), which builds the project and copies the packaged JAR file into the local Maven repository. Actually, this command executes all build phases before install in the build phase sequence, before executing the install build phase.</small></p>
</section>
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<h1 id="build-life-cycles-phases-and-goals">Build Life Cycles, Phases and Goals</h1>
<p>Maven contains three major build life cycles:</p>
<ul>
<li>clean</li>
<li>default</li>
<li>site</li>
</ul>
<p>Inside each build life cycle there are build phases, and inside each build phase there are build goals.</p>
</section>
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<h1 id="executing">Executing</h1>
<p>You can execute either a build life cycle, build phase or build goal. When executing a build life cycle you execute all build phases (and thus build goals) inside that build life cycle.</p>
<p>When executing a build phase you execute all build goals within that build phase. Maven also executes all build phases earlier in the build life cycle of the desired build phase.</p>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-sh">mvn clean
mvn clean install
</code></pre>
</section>
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<h1 id="default-life-cycle">Default Life Cycle</h1>
<p>The default life cycle is the build life cycle which generates, compiles, packages etc. your source code.</p>
<p>You cannot execute the default build life cycle directly, as is possible with the clean and site. Instead you have to execute a specific build phase within the default build life cycle.</p>
</section>
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<table>
<thead>
<tr>
<th>Build Phase</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>validate</td>
<td><small>Validates that the project is correct and all necessary information is available. This also makes sure the dependencies are downloaded.</small></td>
</tr>
<tr>
<td>compile</td>
<td><small>Compiles the source code of the project.</small></td>
</tr>
<tr>
<td>test</td>
<td><small>Runs the tests against the compiled source code using a suitable unit testing framework. </small></td>
</tr>
<tr>
<td>package</td>
<td><small>Packs the compiled code in its distributable format, such as a JAR.</small></td>
</tr>
<tr>
<td>install</td>
<td><small>Install the package into the local repository.</small></td>
</tr>
<tr>
<td>deploy</td>
<td><small>Copies the final package to the remote repository for sharing.</small></td>
</tr>
</tbody>
</table>
</section>
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<h1 id="project-dependencies">Project Dependencies</h1>
<p><small>Your project may need external Java APIs or frameworks which are packaged in their own JAR files to be on the classpath when you compile your project code. Each external JAR may again also need other external JAR files etc. Downloading all these dependencies (JAR files) recursively downloaded is cumbersome.</small></p>
<p><small>Maven has built-in dependency management. You specify in the POM file what external libraries your project depends on, and which version, and then Maven downloads them for you and puts them in your local Maven repository. If any of these external libraries need other libraries, then these other libraries are also downloaded into your local Maven repository.</small></p>
</section>
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<h5 id="dependencies">Dependencies</h5>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-xml"><span class="hljs-tag"><<span class="hljs-name">project</span> <span class="hljs-attr">xmlns</span>=<span class="hljs-string">"http://maven.apache.org/POM/4.0.0"</span>
<span class="hljs-attr">xmlns:xsi</span>=<span class="hljs-string">"http://www.w3.org/2001/XMLSchema-instance"</span>
<span class="hljs-attr">xsi:schemaLocation</span>=<span class="hljs-string">"http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"</span>></span>
<span class="hljs-tag"><<span class="hljs-name">modelVersion</span>></span>4.0.0<span class="hljs-tag"></<span class="hljs-name">modelVersion</span>></span>
<span class="hljs-tag"><<span class="hljs-name">groupId</span>></span>com.jenkov.crawler<span class="hljs-tag"></<span class="hljs-name">groupId</span>></span>
<span class="hljs-tag"><<span class="hljs-name">artifactId</span>></span>java-web-crawler<span class="hljs-tag"></<span class="hljs-name">artifactId</span>></span>
<span class="hljs-tag"><<span class="hljs-name">version</span>></span>1.0.0<span class="hljs-tag"></<span class="hljs-name">version</span>></span>
<span class="hljs-tag"><<span class="hljs-name">dependencies</span>></span>
<span class="hljs-tag"><<span class="hljs-name">dependency</span>></span>
<span class="hljs-tag"><<span class="hljs-name">groupId</span>></span>org.jsoup<span class="hljs-tag"></<span class="hljs-name">groupId</span>></span>
<span class="hljs-tag"><<span class="hljs-name">artifactId</span>></span>jsoup<span class="hljs-tag"></<span class="hljs-name">artifactId</span>></span>
<span class="hljs-tag"><<span class="hljs-name">version</span>></span>1.7.1<span class="hljs-tag"></<span class="hljs-name">version</span>></span>
<span class="hljs-tag"></<span class="hljs-name">dependency</span>></span>
<span class="hljs-tag"><<span class="hljs-name">dependency</span>></span>
<span class="hljs-tag"><<span class="hljs-name">groupId</span>></span>junit<span class="hljs-tag"></<span class="hljs-name">groupId</span>></span>
<span class="hljs-tag"><<span class="hljs-name">artifactId</span>></span>junit<span class="hljs-tag"></<span class="hljs-name">artifactId</span>></span>
<span class="hljs-tag"><<span class="hljs-name">version</span>></span>4.8.1<span class="hljs-tag"></<span class="hljs-name">version</span>></span>
<span class="hljs-tag"><<span class="hljs-name">scope</span>></span>test<span class="hljs-tag"></<span class="hljs-name">scope</span>></span>
<span class="hljs-tag"></<span class="hljs-name">dependency</span>></span>
<span class="hljs-tag"></<span class="hljs-name">dependencies</span>></span>
<span class="hljs-tag"></<span class="hljs-name">project</span>></span>
</code></pre>
</section>
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<h1 id="repositories">Repositories</h1>
</section>
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<h1 id="maven-plugins">Maven Plugins</h1>
<p>Maven plugins enable you to add actions to the build process.</p>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-xml"><span class="hljs-tag"><<span class="hljs-name">build</span>></span>
<span class="hljs-tag"><<span class="hljs-name">plugins</span>></span>
<span class="hljs-tag"><<span class="hljs-name">plugin</span>></span>
<span class="hljs-tag"><<span class="hljs-name">groupId</span>></span>org.apache.maven.plugins<span class="hljs-tag"></<span class="hljs-name">groupId</span>></span>
<span class="hljs-tag"><<span class="hljs-name">artifactId</span>></span>maven-compiler-plugin<span class="hljs-tag"></<span class="hljs-name">artifactId</span>></span>
<span class="hljs-tag"><<span class="hljs-name">version</span>></span>3.6.1<span class="hljs-tag"></<span class="hljs-name">version</span>></span>
<span class="hljs-tag"><<span class="hljs-name">configuration</span>></span>
<span class="hljs-tag"><<span class="hljs-name">source</span>></span>1.8<span class="hljs-tag"></<span class="hljs-name">source</span>></span>
<span class="hljs-tag"><<span class="hljs-name">target</span>></span>1.8<span class="hljs-tag"></<span class="hljs-name">target</span>></span>
<span class="hljs-tag"></<span class="hljs-name">configuration</span>></span>
<span class="hljs-tag"></<span class="hljs-name">plugin</span>></span>
<span class="hljs-tag"></<span class="hljs-name">plugins</span>></span>
<span class="hljs-tag"></<span class="hljs-name">build</span>></span>
</code></pre>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="33" data-paginate="true" data-background-color="#fff" data-theme="gaia" lang="zh-CN" data-marpit-pagination="33" style="--paginate:true;--background-color:#fff;--theme:gaia;background-color:#fff;background-image:none;" data-marpit-pagination-total="35">
<h1 id="a-complete-tutorial">A Complete Tutorial</h1>
<p>Building Java Projects with Maven</p>
<p><a href="https://spring.io/guides/gs/maven/">https://spring.io/guides/gs/maven/</a></p>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-sh">git <span class="hljs-built_in">clone</span> https://github.com/spring-guides/gs-maven.git
</code></pre>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="34" data-paginate="true" data-background-color="#fff" data-theme="gaia" lang="zh-CN" data-marpit-pagination="34" style="--paginate:true;--background-color:#fff;--theme:gaia;background-color:#fff;background-image:none;" data-marpit-pagination-total="35">
<h1 id="web-application">Web Application</h1>
<p>Serving Web Content with Spring MVC</p>
<p><a href="https://spring.io/guides/gs/serving-web-content/">https://spring.io/guides/gs/serving-web-content/</a></p>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-sh">git <span class="hljs-built_in">clone</span> https://github.com/spring-guides/gs-serving-web-content.git
</code></pre>
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-sh">mvn spring-boot:run
</code></pre>
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