If – else statement in java with example

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The if – else statement is an extension of the simple if statement.

Syntax:-

if(condition)

{

True - Block of Statement

}

else

{

false - Block of Statement

}

Statement;

Note:-

# Condition can be expression or relation.

# If body of statement is only one statement than braces ({}) are not needed.

# Body of the statement may have one or more statement.

# Either true – block of statement or false – block of statement is executed, not both.

Execution:-

If condition is true than true - block of statement is executed otherwise false - block statement is executed than control is moved to statement next to if statement.

Example:-

Program to find Greatest number between 2

import java.util.Scanner;

class group{

public static void main(String arg[]){

int num1, num2;

Scanner grest = new Scanner(System.in);

System.out.println("Enter 1st number");

num1 = grest.nextInt();

System.out.println("Enter 2nd number");

num2 = grest.nextInt();

if(num1 <  num2)

System.out.println("Greatest number"+num1);

else

System.out.println("Greatest number"+num2);

}

}