C++ Program To Know Size If Integer, Character, Float And Double Data Type

void main()
 int x;
 float y;
 double z;
 char ch;
 cout<<"Size of Integer Variable x: "<<sizeof(x)<<endl;
 cout<<"Size of Float Variable y: "<<sizeof(y)<<endl;
 cout<<"Size of Double Variable z: "<<sizeof(z)<<endl;
 cout<<"Size of Character Variable Char: "<<sizeof(char)<<endl;


Size of Integer Variable x: 2
Size of Float Variable y: 4
Size of Double Variable z: 8
Size of Character Variable Char: 1