Tuesday, 24 July 2012

Reverse Number using Java


/*
  Reverse Number using Java
  This Java Reverse Number Example shows how to reverse a given number.
*/

public class ReverseNumber {

        public static void main(String[] args) {
             
                //original number
                int number = 1234;
                int reversedNumber = 0;
                int temp = 0;
             
                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;
                       
                }
             
                //output the reversed number
                System.out.println("Reversed Number is: " + reversedNumber);
        }
}

/*
Output of this Number Reverse program would be
Reversed Number is: 4321
*/

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