Problem 43 - Reverse Number

Program akan membalikan urutan angka dengan medote for looping

Source code program

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1. import java.util.Scanner;
2. class ForLoopReverseDemo
3. {
4.    public static void main(String args[])
5.    {
6.       int num=0;
7.       int reversenum =0;
8.       System.out.println("Input your number and press enter: ");
9.       Scanner in = new Scanner(System.in);
10.       num = in.nextInt();
11.    
12.       for( ;num != 0; )
13.       {
14.           reversenum = reversenum * 10;
15.           reversenum = reversenum + num%10;
16.           num = num/10;
17.       }
18.  
19.       System.out.println("Reverse of specified number is: "+reversenum);
20.    }
21. }

Hasil output program