#include<iostream>
using namespace std;
class A {
public:
A() {
cout << "A Done!\n";
}
};
class E :public A {
public:
E()
{
cout << "E Done!\n";
}
};
class B : virtual public A {
public:
B() {
cout << "B Done!\n";
}
};
class C :virtual public A {
public:
C() {
cout << "C Done!\n";
}
};
class D : public E,public B, public C {
public:
D()
{
cout << "D Done!\n";
}
};
int main() {
D d;
return 0;
}
這是代碼
這是執行結果
請問為什么構造順序是什么？小白剛學有點不懂為什么會先構造兩次A
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標籤：C++ 語言
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