ARRAY 2D - 2013 Mirror Image

import java.util.*;

class MatrixImage

{

          int a[ ][ ];

          int i, j, m;

          Scanner ob=new Scanner(System.in);

          public void show( )

          {

                    System.out.println("Enter size of an Array from 2 to 20 ");

                    m=ob.nextInt( );

                    if(m>1 && m<=20)

                    {

                              a=new int[m][m];

                              for(i=0;i<m;i++)

                                 {

                                    for(j=0;j<m;j++)

                                        {

                                            System.out.print("Enter value for a[i][j] ");

                                            a[i][j]=ob.nextInt( );

                                        }

                                  }

                              System.out.println("Original Matrix is ");

                              System.out.println( );

                              for(i=0;i<m;i++)

                                 {

                                    for(j=0;j<m;j++)

                                            System.out.print(a[i][j]+"   ");

                                    System.out.println( );

                                  }

                             System.out.println( );

                             System.out.println("Image Matrix is ");

                             System.out.println( );

                             for(i=0;i<m;i++)

                                 {

                                    for(j=m-1;j>=0;j--)

                                        System.out.print(a[i][j]+"   ");

                                    System.out.println( );

                                 }

                      }

                    else System.out.println("SIZE OUT OFF RANGE");

          }

          public static void main(String arg[])

          {

                    MatrixImage obj = new MatrixImage( );

                    obj.show();

          }

}