(강상문) StringCalculator 리뷰 요청드립니다.

src/main/java/Calculator.java

@@ -0,0 +1,11 @@
+import java.util.Scanner;
+
+
+public class Calculator {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        String[] values = Input.readInput(scanner);
+        int result = Operator.calculate(values);
+        Output.printResult(result);
+    }
+}

src/main/java/Input.java

@@ -0,0 +1,8 @@
+import java.util.Scanner;
+
+public class Input {
+    public static String[] readInput(Scanner scanner) {
+        System.out.print("수식을 입력하세요: ");
+        return scanner.nextLine().split(" ");
+    }
+}

src/main/java/Operations.java

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+public class Operations {
+    public int add(int a, int b) {
+        return a + b;
+    }
+
+    public int subtract(int a, int b) {
+        return a - b;
+    }
+
+    public int multiply(int a, int b) {
+        return a * b;
+    }
+
+    public int divide(int a, int b) {
+        if (b == 0) {
+            throw new ArithmeticException("0으로 나눌 수 없습니다.");
+        }
+        return a / b;
+    }
+}

src/main/java/Operator.java

@@ -0,0 +1,30 @@
+public class Operator {
+    public static int calculate(String[] values) {
+        Operations operations = new Operations();
+        int result = Integer.parseInt(values[0]);
+
+        for (int i = 1; i < values.length; i += 2) {
+            String operator = values[i];
+            int nextNumber = Integer.parseInt(values[i + 1]);
+
+            switch (operator) {
+                case "+":
+                    result = operations.add(result, nextNumber);
+                    break;
+                case "-":
+                    result = operations.subtract(result, nextNumber);
+                    break;
+                case "*":
+                    result = operations.multiply(result, nextNumber);
+                    break;
+                case "/":
+                    result = operations.divide(result, nextNumber);
+                    break;
+                default:
+                    System.out.println("잘못된 연산자입니다.");
+                    return 0;
+            }
+        }
+        return result;
+    }
+}

src/main/java/Output.java

@@ -0,0 +1,6 @@
+public class Output {
+
+    public static void printResult(int result) {
+        System.out.println("결과: " + result);
+    }
+}