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下列程序的输出结果是非曲直【 】。includeclass base{ int x, y;public: base(int i,

下列程序的输出结果是非曲直【 】。

include<iostream, h>

class base

{

int x, y;

public:

base(int i, int j){x=i; y=j;}

virtual int add(){return x+ y;}

};

class three: public base

{

int z;

public:

three(int i, int j, int k) :base(i, j){z=k; }

int add() { return (base:: add()+z); }

};

void main()

{

three * q=new three(lO,20,30);

cout<<q->add()<<end1;

}


参考答案

更多 “ 下列程序的输出结果是非曲直【 】。includeclass base{ int x, y;public: base(int i, 下列程序的输出结果是非曲直【 】。include<iostream, h>class base{int x, y;public:base(int i, int j){x=i; y=j;}virtual int add(){return x+ y;}};class three: public base{int z;public:three(int i, int j, int k) :base(i, j){z=k; }int add() { return (base:: add()+z); }};void main(){three * q=new three(lO,20,30);cout<<q->add()<<end1;} ” 相关考题
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