/*
  Author  : Michael Robinson
  Program : array2dimensions.java
  Purpose : To present a two dimension array
            of int data type

  Updated : Jan 29, 2099
*/


public class array2dimensions
{ 
    public static void process2dArray( int numbers2d[][], int row, 
                                       int col, int x, int y )
    {     
        //Load two dimensional array with each location's row+col
        System.out.println( "\nLoading two dimensional array" );

        for( x = 0; x < row; x++ ) //process rows 
        {
            for( y = 0; y < col; y++ ) //process columns
            {
                numbers2d[x][y] = x+y; //load up array with data
            }
        } 

        //Display the contents of the two dimensional array 
        System.out.println( "  \nTwo dimensional array contents" );

        for( x = 0; x < row; x++ ) //process rows
        {
           for( y = 0; y < col; y++ ) //process columns
           {
               if( (x+y) < col ) //test for variable width
               {
                   System.out.print( " " ); //display space
               }
             
               //display data inside each array index
               System.out.print( " " + numbers2d[x][y] ); 
           }
          
           System.out.println(); //display a line feed

        } 

    }//end public static void process( int numbers2d )
 
    
    public static void main( String arg[] )
    {
        //Declare and initialize local variables
        //you can create multiple variables of the same type on 
        //the same line
        int row = 20, col = 20;  
        int x = 0, y = 0;

        //declares a 10x10 two dimensional array
        int numbers2d[][] = new int[ row ][ col ]; 

        process2dArray( numbers2d, row, col, x, y );
         
    }//end public static void main( String arg[] )

}//end public class array2dimensions