43 lines
568 B
C++
43 lines
568 B
C++
#include<iostream>
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using namespace std;
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/*
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先构造成员
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再构造自身（调用构造函数）
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*/
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class A {
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public:
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A() { cout<<"Constructing A"<<endl;}
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~A(){ cout<<"Destructing A"<<endl;}
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};
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class B {
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public:
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B() { cout<<"Constructing B"<<endl;}
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~B(){ cout<<"Destructing B"<<endl;}
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};
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class C
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{
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public:
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C() { cout<<"Constructing C"<<endl;}
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~C(){ cout<<"Destructing C"<<endl;}
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B b;
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A a;
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};
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int main()
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{
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C c;
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system("pause");
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}
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/*
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执行结果：
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Constructing B
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Constructing A
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Constructing C
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Destructing C
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Destructing A
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Destructing B
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*/ |