Java examples for Language Basics:while
Reverse Number with while loop
public class Main { public static void main(String[] args) { int number = 1234; int reversedNumber = 0; int temp = 0; /*from w w w . ja v a 2 s. c om*/ while(number > 0){ //use modulus operator to strip off the last digit temp = number%10; //create the reversed number reversedNumber = reversedNumber * 10 + temp; number = number/10; } System.out.println("Reversed Number is: " + reversedNumber); } }