填空题

下列程序的运行结果是______。
#include<iostream.h)
class test
private:
int num;
public:
test();
int TEST()return num+100;
~test();

test::test()num=0;
test::~test()cout<<"Destructor is active"<<endl;
void main()
test x[3];
cout<<x[1].TEST()<<end1;

【参考答案】

100
Destructor is active
Destructor is active
......

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