public class TwoDimArray1
{
   public static void main(String[] args)
   {
      double[][] a = { 
                       { 1.0, 2.0, 3.0, 4.0 },
                       { 2.0, 5.0, 1.0, 7.0 },
                       { 4.0, 1.0, 2.0, 8.0 }
                     };

      int i, j;          // Array indices

      /* ----------------- Print 2-dim array a -------------------- */

      // Print elemenst in row i
      for ( i = 0 ; i < a.length ; i++ )
      {

         // Print element j in row i
         for ( j = 0 ; j < a[i].length ; j++ )
         {
            System.out.print( a[i][j] + "   " );   
         }

         System.out.println();
      }

   }
}