Palindrome In Java Example

Chapter: Miscellaneous Last Updated: 18-06-2016 16:46:03 UTC

Program:

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

public class JavaPalindrome {
	public static void main(String args[]) {
		String original, reverse = "";
		Scanner in = new Scanner(System.in);

		System.out.println("Enter a string to check if it is a palindrome");
		original = in.nextLine();

		int length = original.length();

		for (int i = length - 1; i >= 0; i--)
			reverse = reverse + original.charAt(i);

		if (original.equals(reverse))
			System.out.println("Entered string is a palindrome.");
		else
			System.out.println("Entered string is not a palindrome.");

	}

}
                /* ............... END ............... */
        

Output

Enter a string to check if it is a palindrome
abc
Entered string is not a palindrome.

Enter a string to check if it is a palindrome
151
Entered string is a palindrome.

Notes:

  • A palindrome number is a number that is same after reverse.
  • For example 545, 151, 34543.

Tags

Palindrome, Java

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