void main()

雪花啤酒

Default constructor called.
Default constructor called.
Default constructor called.
Default constructor called.
Destructor called.
Constructorl called.
Destructor called.
Constructor2 called.
Destructor called.
x=0,y=0
x=5,y=0
x=3,y=-858993460
Destructor called.
Destructor called.
Destructor called.
Press any key to continue




#include<iostream.h>;
class B
{
        int x,y;
public:
        B();
        B(int i);
        B(int i,int j);
        ~B();
        void print();
};
B::B()
{
        x=y=0;
        cout<<"Default constructor called.\n";
}
B::B(int i)
{
        x=i;
        y=0;
        cout<<"Constructorl called.\n";
}
B::B(int i,int j)
{
        x=i;
        x=j;
        cout<<"Constructor2 called.\n";
}
B::~B()
{
        cout<<"Destructor called.\n";
}
void B::print()
{
        cout<<"x="<<x<<",y="<<y<<endl;
}
void main()
{
        B *ptr;
        ptr=new B[3];
        ptr[0]=B();
        ptr[1]=B(5);
        ptr[2]=B(2,3);
        for(int i=0;i<3;i++)
                ptr.print();
        delete[]ptr;
}