32 lines
567 B
C++
32 lines
567 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() { 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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}
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