#include<iostream.h>
int main()
{union example
{int num;
char ch[2];
float f;
}u1={100};
cout<<"u1.num="<<u1.num<<endl;
cout<<"u1.ch="<<u1.ch<<endl;
cout<<"u1.f="<<u1.f<<endl;
u1.num=97;
cout<<"u1.num="<<u1.num<<endl;
cout<<"u1.ch="<<u1.ch<<endl;
cout<<"u1.f="<<u1.f<<endl;
u1.ch[0]='b';
cout<<"u1.num="<<u1.num<<endl;
cout<<"u1.ch="<<u1.ch<<endl;
cout<<"u1.f="<<u1.f<<endl;
return 0;
}
就换个风格
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转载自blog.csdn.net/singularityfisher/article/details/81206254
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