If decision making statement in java with example

The if statement is a powerful decision making statement and used to control the flow of execution of statements.

Syntax:-

if(condition)
{
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.

Execution:-

If condition is true than block of statement is executed otherwise statement next to if is executed.

Example:-

Program to display entered number

import java.util.Scanner;

class group{
public static void main(String arg[]){
int num1;
Scanner num = new Scanner(System.in);
System.out.println("Enter a number");
num1 = num.nextInt();

if(num1 == 0)
System.out.println("The entered nubmer is : 0");
if(num1 == 1)
System.out.println("The entered nubmer is: 1");
if(num1 == 2)
System.out.println("The entered nubmer is: 2");
if(num1 == 3)
System.out.println("The entered nubmer is: 3");
if(num1 == 4)
System.out.println("The entered nubmer is: 4");
if(num1 == 5)
System.out.println("The entered nubmer is: 5");
if(num1 > 5)
System.out.println("The entered number is greater than 5");
}
}


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