C++类型字节大小

C++类型字节大小

class A

{

 

};

 

int main()

{

    cout<<sizeof(char)<<endl;          //1字节

 

    cout<<sizeof(short)<<endl;         //2字节

    cout<<sizeof(unsigned short)<<endl;//2字节

    cout<<sizeof(signed short)<<endl;  //2字节

 

    cout<<sizeof(int)<<endl;           //4字节

    cout<<sizeof(unsigned int)<<endl;  //4字节

    cout<<sizeof(signed int)<<endl;    //4字节

 

    cout<<sizeof(float)<<endl;         //4字节

 

    cout<<sizeof(double)<<endl;        //8字节

 

    cout<<sizeof(bool)<<endl;          //1字节

    cout<<sizeof(A)<<endl;             //1字节

    cout<<sizeof(A*)<<endl;            //4字节

    cout<<sizeof(void*)<<endl;         //4字节

     

    return 0;

}