if-else statement:

 

Control Statements

v if-else statement:

When to choose one alternative out of two if-else statement is used.

Syntax:

If(test Condition)

            {

                        Statement 1;

                        Statement 2;

                        .

                        .          

                        .

                        .

                        Statement n;

             }

else(test Condition)

            {

                        Statement 1;

                        Statement 2;

                        .

                        .          

                        .

                        .

                        Statement n;

             }

              Statement X;

 

§  If-else is a keyword, which is use to check condition/expression.

§  It is used to choose one alternative out of two.

§  When the if statement condition is True, all statements in if blocks is executing otherwise else block all statements are executed.

§  then execute statement X.

§  The condition is always enclosed within the pair of round braces i.e. parenthesis ().

 

Program:

            Write a program to check greater/maximum number amongst 2 numbers.

 

/* Prog no-9 Program to find greater/maximum number amongst 2 numbers */

 

#include <stdio.h>

#include <conio.h>

void main()

{

                int a,b;

                clrscr();

                printf("\n\nEnter two numbers : " );

                scanf("%d %d",&a,&b);

                if(a>b)

                {

                        printf("\nGreater/Maximum number = %d",a);

                }

                else

                {

                        printf("\nGreater/Maximum number = %d",b);

                }

 

                getch();

}

 

Output