if-else statement

if-else is a technique used in programming. It is having a common syntax in most of the programming languages like C, C++, java etc. Its logic is quite simple.

Take a look on the flowchart to understand the logic.

The syntax of if-else statement is

if(condn)
{
stmt1;
}
else
{
stmt2;
}

stmt1 is executed if the condition given in the f statement is satisfied otherwise stmt2 is executed.



Example Program

Program to check whether the number given is prime or not.

#include<iostream.h>
void main()
{
int no;
cout<<"Enter the number :";
cin>>no;
if(no%2==0)
{
cout<<"\n Number is even";
}
else
{
cout<<"\n Number is odd";
}
}