C++ 继承,虚继承(内存结构)详解

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classtest1

{

public:

test1(inti) :num1(i) {}

private:

intnum1;

};

classtest2 :publictest1

{

public:

test2(inti,intj) : test1(i), num2(j)

{

}

private:

intnum2;

};

voidmain()

{

test2 t2(1,2);

}

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classtest1

{

public:

test1(inti) :num1(i) {}

private:

intnum1;

};

classtest2

{

public:

test2(inti) : num2(i)

{

}

private:

intnum2;

};

classtest3 :publictest2 ,publictest1

{

public:

test3(inti,intj,intk) :test1(i), test2(j),num3(k) {}

private:

intnum3;

};

voidmain()

{

test3 t3(1, 2, 3);

}

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classtest1

{

public:

test1(inti) :num1(i) {}

private:

intnum1;

};

classtest2:virtualpublictest1

{

public:

test2(inti,intj) :test1(i), num2(j)

{

}

private:

intnum2;

};

voidmain()

{

test2 t2(1, 2);

}

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classtest1

{

public:

test1(inti) :num1(i) {}

private:

intnum1;

};

classtest2:virtualpublictest1

{

public:

test2(inti,intj) :test1(i), num2(j)

{

}

private:

intnum2;

};

classtest3 :virtualpublictest1

{

public:

test3(inti,intj) :test1(i), num3(j){}

private:

intnum3;

};

classtest4 :publictest2,publictest3

{

public:

test4(inti,intj,intk) :test1(i),test2(i,j), test3(i,j),num4(k)

{

}

private:

intnum4;

};

voidmain()

{

test4 t4(1, 2,3);

}