ARRAY 2D - 2014 Symmetric Matrix

SOLUTION

    import java.util.*;

    class SymmetricMatrix

    {

          int a[ ][ ];

          int b[ ][ ];

          int i, j, m, s, ld, rd;

          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<=10)

                      {

                                  a=new int[m][m];

                                  b=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();

                                                 }

                                    }

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

                                     {

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

                                              {

                                                      b[i][j]=a[j][i];

                                                      }

                                      }

                                  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( );

                                 s=0;

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

                                     {

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

                                              if(a[i][j]!=b[i][j]) s++;

                                       }

                                 if(s==0) System.out.println("THE GIVEN MATRIX IS SYMMETRIC");

                                     else System.out.println("THE GIVEN MATRIX IS NOT SYMMETRIC");

                                 ld=0;

                                 rd=0;

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

                                     {

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

                                              {         

                                                    if(i==j) ld=ld+a[i][j];

                                                    if(i+j==m-1) rd=rd+a[i][j];

                                                  }

                                     }

                                 System.out.println("The sum of the left diagonal = " + ld);

                                 System.out.println("The sum of the right diagonal = " + rd);

                         }

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

          }

          public static void main(String arg[ ])

          {

                      SymmetricMatrix obj = new SymmetricMatrix();

                      obj.show( );

          }

      }