public class Demo1
{
   public static void main(String[] args)
   {
        double[][] myGrid = new double[3][5];

        for ( int i = 0; i < myGrid.length; i++ )
            for ( int j = 0; j < myGrid[i].length; j++ )
                myGrid[i][j] = i*j;
            
        for ( int i = 0; i < myGrid.length; i++ )
        {
            for ( int j = 0; j < myGrid[i].length; j++ )
                System.out.print(myGrid[i][j] + "  ");
            System.out.println();
        }
   } 
}