employ.cpp

来自「这源代码是《白领就业指南：visual c++ 6.0 设计师之路》的配套源代码」· C++ 代码 · 共 47 行

#include <iostream>
using namespace std;
class B
{  public:
      B( ) {cout<<"B类的无参对象被产生"<<endl;};
      B(int i, int j );
      void printb();

   private:
      int a,b;
};
class A
{ 
  public:
     A( ) {};
     A(int i, int j);
     void printa();
  private:
     B c;
};
A::A(int i, int j ):c(i,j)
{ 
	cout<<"i="<<i<<","<<"j="<<j<<endl;
};
void A::printa( )
{
	c.printb( );
}
B::B(int i, int j )
{
	a=i; b=j;
	cout<<"B类的两个参数的对象被产生"<<endl;
}
void B::printb( )
{
	cout<<"a="<<a<<","<<"b="<<b<<endl;
} 
void main( )
{
  A m(7,8);
  m.printa( );
}
//输出结果为_______________