String Palindrome in Java

In this article, I will show you how to write a program to ask the user to give a string and then the program will check if the given string is a palindrome or not a palindrome using Java programming language.

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Program Listing

package Palindrome;

/**

 * @author Jake R. Pomperada ,MAED-IT, MIT

 * jakerpomperada@gmail.com

 * www.jakerpomperada.com

 * www.jakerpomperada.blogspot.com

 * Bacolod City, Negros Occidental, Philippines

 *

 */

import java.util.*;

public class Palindrome_String {

/**

* @param args

*/

public static void main(String[] args) {

// TODO Auto-generated method stub

String original, reverse = "";

System.out.println("\n");

    System.out.print("\tString Palindrome in Java");

    System.out.println("\n");

 

Scanner in = new Scanner(System. in);

System.out.print("\tGive a String : ");

original = in.nextLine();

int length = original.length();

for ( int i = length - 1; i >= 0; i-- )

reverse = reverse + original.charAt(i);

System.out.println();

if (original.equals(reverse))

System.out.println("\tThe string " + original + " is a palindrome.");

else

System.out.println("\tThe string " + original +  " not a palindrome.");

   System.out.println("\n");

System.out.println("\tEnd of Program");

        System.out.println("\n\n");

}

}