31 lines
531 B
C++
31 lines
531 B
C++
#include<iostream>
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using namespace std;
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class base{
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int x;
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public:
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void setx(int n){ x=n; }
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int getx(){ return x; }
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void showx() { cout<<x<<endl; }
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};
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//派生类
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class derived:public base{
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int y;
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public:
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void sety(int n){ y=n; }
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void sety(){ y=getx(); }
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void showy()
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{ cout<<y<<endl; }
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};
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//派生类不可直接访问基类的private成员，可通过基类的共有成员函数访问
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int main()
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{ derived obj;
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obj.setx(10);
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obj.sety(20);
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obj.showx();
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obj.showy();
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obj.sety();
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obj.showx();
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obj.showy();
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system("pause");
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}
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