C++ Program

Object:-Program To Know Size If Integer, Character, Float And Double Data Type.

#include<iostream.h>
#include<conio.h>
void main()
{
             int x;
             float y;
             double z;
             char ch;
             clrscr();
             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;
             getch();
}

Output

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

Explanation