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题目内容 (请给出正确答案)
以下程序输出结果为______。 include using namespace std; class TestClass 1 { publi

以下程序输出结果为______。

include<iostream>

using namespace std;

class TestClass 1

{

public:

TestClass1(){}

TestClass1(int i)

{x1=i;}

void dispa()

{cout<<"x1="<<x1<<",";}

private:

int x1;

}:

class TestClass2:public TestClass1

{

public:

TestClass2(){}

TestClass2(int i):TestClass1(i+10)

{

x2=i:

}

void dispb()

{

dispa();

cout<<"x2="<<x2<<end1;

}

private:

int x2:

}:

int main()

{

TestClass2 b(2):

b.dispb();

return 0;

}


参考答案

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