palindrome.java

import java.util.Scanner;

public class palindrome
{
	
	static int reverseNumber(int number)
	{
		int reverse = 0;
		
		int rem = 0;
		
		while (number != 0)
		{
			rem = number % 10;
			
			reverse = (reverse*10) + rem;
			
			number = number/10;
		}
		
		return reverse;
	}
	
	
	static boolean checkPalindrome(int number)
	{
		int reverse = reverseNumber(number);
		
		if(reverse == number)
		{
			return true;
		}
		else
		{
			return false;
		}
	}
	
	
	
	static void reverseAndAdd(int number)
	{
		if(checkPalindrome(number))
		{
			System.out.println("Given Number is already a palindrome");
		}
		else
		{
			while (!checkPalindrome(number))
			{
				int reverse = reverseNumber(number);
				
				int sum = number + reverse;
				
				System.out.println(number+" + "+reverse+" = "+sum);
				
				number = sum;
			}
		}
	}
	
	public static void main(String[] args) 
	{
                try
                {
		Scanner sc = new Scanner(System.in);
		
		System.out.println("Enter Number : ");
		
		int inputNumber = sc.nextInt();
		if(inputNumber<0)
                {
                    System.out.println("Enter positive number");
                }
                else
                {
                   reverseAndAdd(inputNumber);
                }
               }
               catch(Exception e)
               {
                   System.out.println("Enter a valid number");
               }
	}
}