Answer Posted / amit basak

The size of the class will be 1 byte as mentioned by Rahul...
Here is the below code in Cygwin ...

// This program is to find the size of empty class

#include<iostream>

using namespace std;

class Demo
{

};

int main ()
{
cout <<"Sizeof Demo class is ="<<sizeof(Demo)<<endl;

return(0);
}


And here is the output..
$ ./a.exe
Sizeof Demo class is =1

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