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Friday, August 3, 2012

CJ-13: Reverse a number

Type the programs in NOTEPAD or DOS prompt itself, for Consol Application.
Type in NETBEANS or ECLIPSE for Window Application.
Here after , I am just typing the programs only..to know more about it , refer

Introduction to JAVA 

before doing any JAVA Programs.
***********************************************************************************************
import java.io.*;
class reverse
{
public static void main(String args[])
{
   int r,n;
   int rev=0;
   try
   {
DataInputStream x=new DataInputStream(System.in);
System.out.println("Enter a number :");
n=Integer.parseInt(x.readLine());
while(n>0);
{
   r=n%10;
   rev=rev*10+r;
   n=(int)(n/10);
}
System.out.println("Number Reversed is :"+rev);
    }
    catch(Exception e)
    {
    }
}
}
=========================================================================
Output :
Enter a number :
143
Number Reversed is :
341

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