/** * An example program that shows how to reverse a number in java using for loop. */ public class ExampleProgram { public static void main(String[] args) { System.out.println( 125 + " in reverse is = " + reverse(125)); System.out.println( 321 + " in reverse is = " + reverse(321)); System.out.println( 2019 + " in reverse is = " + reverse(2019)); } public static int reverse(int n) { int reverse = 0; for (; n > 0;) { int digit = n % 10; reverse = (reverse * 10) + digit; n = n / 10; } return reverse; } }
And below is output to the code:
125 in reverse is = 521 321 in reverse is = 123 2019 in reverse is = 9102