initial commit

10_Ausgabe/code/main.cpp

@@ -0,0 +1,105 @@
+#include <iostream>
+#include <string>
+using namespace std;
+
+class A 
+{
+public:
+	void a() {}
+};
+
+class B : public A 
+{
+public:
+	B(string s="") 
+	{
+		id = ++idStat;
+		this->s = s;
+		info("B()");
+	}
+	virtual ~B() 
+	{
+		info("~B()");
+	}
+	void a() 
+	{
+		s += "1";
+		info("B::a()");
+	}
+	virtual void b() 
+	{
+		s += "2";
+		info("B::b()");
+	}
+	void b() const
+	{
+		info("B::b() const");
+	}
+	static int liefereIdStat()
+	{
+		return idStat;
+	}
+protected:
+	string s;
+	void info(const string& text) const 
+	{
+		cout << id << ": " << text << " " << s << endl;
+	}
+private:
+	int id;
+	static int idStat;
+};
+
+int B::idStat = 0;
+
+class C : public B 
+{
+public:
+	C() : B("C") 
+	{
+		info("C()");
+	}
+	virtual ~C() 
+	{
+		info("~C()");
+	}
+	void a() 
+	{
+		s += "3";
+		info("C::a()");
+	}
+	void b() 
+	{
+		s += "4";
+		info("C::b()");
+	}
+};
+
+int main() 
+{
+	A a;
+	a.a();
+	cout << "vvv " << B::liefereIdStat() << endl;
+	B b;
+	b.b();
+	cout << "www " << b.liefereIdStat() << endl;
+	C* c[2];
+	c[0] = new C;
+	c[1] = new C;
+	c[0]->a();
+	c[1]->b();
+	delete c[0];
+	delete c[1];
+	const C c2;
+	cout << "xxx " << C::liefereIdStat() << endl;
+	A* ac = new C;
+	ac->a();
+	delete ac;
+	cout << "yyy " << B::liefereIdStat() << endl;
+	B* bc = new C;
+	bc->a();
+	bc->b();
+	delete bc;
+	cout << "zzz " << B::liefereIdStat() << endl;
+}
+