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以下程序的执行结果是【】。include class B{public:B(){}B(int i.int j); void printb
以下程序的执行结果是【 】。
include ＜iostream.h＞
class B
{
public:
B(){}
B(int i.int j);
void printb();
private:
int a,b;
};
class A
{
public:
A() { }
A(int i,int j);
void printa();
private:
B c;
};
A:: A(int i,int j):c(i, j)
{ }
void A:: pfinta()
{
c. printb();
}
B::B(int i,int j)
{
a=i;
b=j;
}
void B::printb()
{
cout＜＜"a="＜＜a＜＜",b="＜＜b＜＜end1;
}
void main()
{
A m(7,9);
m. printa();
}
参考答案
更多 “ 以下程序的执行结果是【】。include class B{public:B(){}B(int i.int j); void printb 以下程序的执行结果是【 】。include ＜iostream.h＞class B{public:B(){}B(int i.int j);void printb();private:int a,b;};class A{public:A() { }A(int i,int j);void printa();private:B c;};A:: A(int i,int j):c(i, j){ }void A:: pfinta(){c. printb();}B::B(int i,int j){a=i;b=j;}void B::printb(){cout＜＜"a="＜＜a＜＜",b="＜＜b＜＜end1;}void main(){A m(7,9);m. printa();} ” 相关考题
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