Armstrong Number in Java | Pyapiras

This is an Armstrong number in java program.  Armstrong number is an number = sum of  cube of each digits . 

As a example  we consider -- 153= (1)3 +(5)3 + (3)3

Q: Is 153 an Armstrong number?

A: yes, 153 is an Armstrong number.

Q: Is 1 an Armstrong number?

A: Yes. 

Q: Give example  Armstrong number?

A: 1,153,370,371

Source Code:

package basicjava;
import java.util.Scanner;
public class ArmstrongNumber {
	public static void main(String[] args) {
		try (
		Scanner input = new Scanner(System.in)) {
			int num,temp,sum = 0,r;
			
			System.out.println("Enter the number:");
			num = input.nextInt();
			temp=num;
			while(temp!=0) {
				r = temp%10;
				sum = sum + r*r*r;
				temp = temp/10;
				
			}
			if(num==sum) {
				System.out.print(true);
			}
			else {
				System.out.println("This is not Armstrong number.");
			}
		}
	
	}
}

Output:

1. Enter the number: 153

     true

2.  Enter the number: 123

     This is not Armstrong number.