Tuesday, February 24, 2015

Reverse a Number Program in Java


In this tutorial I would like to share with you a simple program that I wrote in Java that will ask the user to enter a number in integer format then it will reverse the arrangement of numbers. The code is very straight forward to follow and understand it will serve as a basis for anyone that are new in Java programming.

If you have some questions please send me an email at jakerpomperada@yahoo.com and jakerpomperada@gmail.com.

People here in the Philippines who wish to contact me can reach me at my mobile number 09173084360



Sample Output of Our Program

Program Listing

import java.lang.*;
import java.util.Scanner;

class rev
{

public static void main(String args[])
{
  Scanner in = new Scanner(System.in);
   char a;
do
 {
    int num1=0,r=0;
    int solve_value=0;
 System.out.println("==============================================");
 System.out.println("||    <<< REVERSE A NUMBER PROGRAM >>>      ||");
 System.out.println("==============================================");
     System.out.print("\n");
     System.out.print("Enter a Number :=>");
          num1 = in.nextInt();
     System.out.println("\n");
 System.out.println("=======================");
 System.out.println("||  DISPLAY RESULT   ||");
 System.out.println("=======================");
 System.out.println("\n");
 System.out.println("Original Number Arrangement :=> " +num1 +".");
while(num1>0)
  {
r=num1%10;
solve_value=(solve_value*10)+r;
num1=num1/10;
          }
       System.out.println("Reverse of number result    :=> " +solve_value +".");
       System.out.println("\n");
       System.out.print(" Do you Want To Continue(Y/N) :=> ");
       a=in.next().charAt(0);

   } while(a=='Y'|| a=='y');
       System.out.println("\n");
       System.out.println("\t ===== END OF PROGRAM ======");
       System.out.println("\n");
}
}


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