BlueJ Program To Print A Pattern On Numbers

The pattern is as follows:

1

121

12321

1234321

123454321

1234321

12321

121

1

import java.io.*;

class Pattern

{

 int i,j,x,n,m=1;

 BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

 void show() throws Exception

 {

      System.out.println("\nHow many rows:");

      n=Integer.parseInt(br.readLine());

      for(i=0;i< m;i++)

      {

          x=1;

           for(j=0;j< m;j++)

           {

                System.out.print(x);

                if (j< m/2)

                x++;

                else

                x--;

            }

            System.out.println();

            if(i< n/2)

            m=m+2;

            else

            m=m-2;

           

        }

    }

    public static void main(String args[])throws Exception

    {

         Pattern ob=new Pattern ();

         ob.show();

        }

    }


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