BlueJ Program To Take a number and show it in ascending order of digits

import java.util.*;

class Asc

{

int i,j,t,n,x=0,arr[];

 public void show(int no)

 {

     n=no;

     arr=new int[10];

     for(i=n;i >0;i=i/10)

     {

          arr[x++]=i%10;

      }

      for(i=0;i< x-1;i++)

      {

           for(j=i+1;j< x;j++)

           {

                if(arr[i] > arr[j])

                {

                    t=arr[i];

                    arr[i]=arr[j];

                    arr[j]=t;

                }

            }

        }

        n=0;

        for(i=0;i< x;i++)

        {

             n=n*10+arr[i];

         }

     

         System.out.print("\nNumber in ascending order: "+n);    

  }

      public static void main(String args[])

{

     Scanner sc=new Scanner(System.in);

     Asc ob=new Asc();

     int n=sc.nextInt();

     ob.show(n);

}

}