#include "iostream.h"
class Calculator
{
private:
int num1,num2,result;
public:
Calculator()
{num1=10;
num2=20;
cout<<"构造函数被调用"<<endl;
}
void add()
{
result=num1+num2;
}
void display()
{
cout<<"结果为:"<<result<<endl;
}
~Calculator()
{num1=num2=result=0;
cout<<"析构函数被调用"<<endl;
}
};
void main()
{
Calculator c1;
c1.add();
c1.display();
}
class Calculator
{
private:
int num1,num2,result;
public:
Calculator()
{num1=10;
num2=20;
cout<<"构造函数被调用"<<endl;
}
void add()
{
result=num1+num2;
}
void display()
{
cout<<"结果为:"<<result<<endl;
}
~Calculator()
{num1=num2=result=0;
cout<<"析构函数被调用"<<endl;
}
};
void main()
{
Calculator c1;
c1.add();
c1.display();
}