p195-6.17.cpp

来自「此软件可用来计算节点数」· C++ 代码 · 共 39 行

#include<iostream.h>
#include<string.h>
class B
{
  public:
	  B(char *s,double n)
	  {
		  strcpy(name,s);
		  b=n;
		  cout<<"Constructor\n";
	  }
	  B() {cout<<"Default\n";}
	  ~B(){cout<<"Destructor"<<name<<endl;}
	  void getb(char *s,double&n)
	  {
		  strcpy(s,name);
		  n=b;
	  }
  private:
	  char name[80];
	  double b;
};
void main()
{
	B *p;
	double n;
	char s[80];
	p=new B[3];
	p[0]=B("ma",4.8);
	p[1]=B("wang",3.6);
	p[2]=B("li",3.1);
	for(int i=0;i<3;i++)
	{
		p[i].getb(s,n);
		cout<<s<<","<<n<<endl;
	}
	delete[] p;
}