45 lines
537 B
C++
45 lines
537 B
C++
// 多继承（同属一个超级父类）产生的问题
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#include <iostream>
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#include <cstring>
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#include <cstdlib>
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using namespace std;
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class A
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{
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public:
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int x;
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};
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class B : virtual public A
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{
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public:
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B()
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{
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x = 50;
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}
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};
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class C : virtual public A
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{
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public:
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C()
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{
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x = 100;
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}
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};
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class D : public C, public B
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{
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};
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int main()
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{
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D d1;
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cout << d1.x << endl;
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d1.x = 0; // x 是从 B 来的，还是从 C 来的？ C ，使用就近原则
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cout << d1.x << endl;
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return 0;
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}
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