class Palindrome { public static void main(String...s) { int n,m,rev=0,i; System.out.println("Enter the number:"); n=Integer.parseInt(s[0]); m=n; while(n!=0) { i=n%10; rev=(rev*10)+i; n/=10; } if(m==rev) System.out.println("nNumber is palindrome"); else System.out.println("nNumber is not palindrome"); } }
Enter the number:121 Number is palindrome
A number is called palindrome if it is equal to its reverse.For example 121 is a palindrome while 123 is not palindrome.