ch22 & ch23 commit

realfirst · May 13, 2011 · 162bf68 · 162bf68
1 parent 66000cd
commit 162bf68
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Showing 5 changed files with 57 additions and 4 deletions.
diff --git a/ch21/more_fancy b/ch21/more_fancy
diff --git a/ch21/pointer_virtual b/ch21/pointer_virtual
diff --git a/ch23/reference_virtual b/ch23/reference_virtual
diff --git a/ch23/reference_virtual.cc b/ch23/reference_virtual.cc
@@ -0,0 +1,57 @@
+#include <iostream>
+
+using namespace std;
+
+class FirstClass {     
+ public:
+  void print1() {
+    cout << "FirstClass::print1()" << endl;
+  }
+  virtual void print2() {
+    cout << "FirstClass::print2()" << endl;
+  }
+  void print3() {
+    print1();
+    print2();
+    cout << endl;
+  }
+};
+
+class SecondClass : public FirstClass {     
+ public:
+  void print1() {
+    cout << "SecondClass::print1()" << endl;
+  }
+  virtual void print2() {
+    cout << "SecondClass::print2()" << endl;
+  }
+};
+
+class ThirdClass : public SecondClass {     
+ public:
+  void print1() {
+    cout << "ThirdClass::print1()" << endl;
+  }
+  virtual void print2() {
+    cout << "ThirdClass::print2()" << endl;
+  }
+};
+
+int main(int argc, char **argv) {
+  FirstClass f1;
+  f1.print1();
+  f1.print2();
+  f1.print3();
+
+  SecondClass f2;
+  f2.print1();
+  f2.print2();
+  f2.print3();
+
+  ThirdClass f3;
+  f3.print1();
+  f3.print2();
+  f3.print3();
+
+  return 0;
+}
diff --git a/ch25/design_pattern.cc b/ch25/design_pattern.cc
@@ -99,7 +99,3 @@ class IntSetList : public IntSet {
   Node *first;
 };
 
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Original file line number	Diff line number	Diff line change
Expand Up		@@ -99,7 +99,3 @@ class IntSetList : public IntSet {
		Node *first;
		};