shiti7_4_4.cpp

来自「为初学者提供的最佳的C++程序设计源程序库」· C++ 代码 · 共 20 行

#include<iostream.h>
#include<malloc.h>
class Rect
{
public:
	Rect(int l,int w){length=1;width=w;}
	void Print(){cout<<"Area:"<<length*width<<endl;}
	void* operator new(size_t size){return malloc(size);}
	void operator delete(void *p){free(p);}
private:
	int length ,width;
};
void main()
{
	Rect *p;
	p=new Rect(5,4);
	p->Print();
	delete p;
}