if-else statement

If..else statement is used when different block of statement is to be executed on condition true and false.

Syntax :

    if(condition)
    {
        block 1 of statement;
    }
    else
    {
        block 2 of statement;
    }

if condition is true then block 1 statement will be executed and if condition is false block 2 statement will execute.

Example :

    #include <stdio.h>
    int main()
    {
    int number = 0;
    printf("\nEnter an integer : ");
    scanf("%d",&number);

    if (number > 10)
    {
    printf("\nYou entered %d which is greater than 10\n", number);
    }
    else
    {
    printf("\nYou entered %d which is less than 10\n", number);
    }

    return 0;
    }

Output :

 Enter an integer : 8
 You entered 8 which is less than 10