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

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#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

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