Java Program To Check Palindrome Number

Chapter: Interview Programs Last Updated: 10-04-2016 16:50:13 UTC

Program:

            /* ............... START ............... */
                
import java.util.Scanner;

public class JavaPalindrome {
	public static void main(String args[]) {
		System.out.print("Enter Number: ");
		Scanner read = new Scanner(System.in);
		int num = read.nextInt();
		int n = num;
		// reversing number
		int rev = 0, rmd;
		while (num > 0) {
			rmd = num % 10;
			rev = rev * 10 + rmd;
			num = num / 10;
		}
		if (rev == n)
			System.out.println(n + " is a Palindrome Number!");
		else
			System.out.println(n + " is not a Palindrome Number!");
	}
}
                /* ............... END ............... */
        

Output

Enter Number: 
121
121 is a Palindrome Number!

Enter Number: 
3774
3774 is not a Palindrome Number!

Notes:

  • A palindrome number is a number that is same after reverse.
  • For example 262, 141, 34543 are the palindrome numbers.

Tags

Palindrome Number, Java

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