/**

 * Demonstrates how to create an array of objects.

 *

 * @author (TK Rogers)

 * @version (1-26-10)

 */

import java.util.ArrayList; // Needed for using ArrayLists
 

public class Forrest {

 

    public static void main ( ) {

    //the code below creates and outputs an array of Tree objects. ///////////////////////////

        //Creates the memory location for an array that can contain 3 Tree objects.

        Tree [ ] trees = new Tree [3];

       

        //This loop creates a unique Tree object in each memory location of the array.

        for ( int x = 0; x < 3; x++ ) {

            trees [ x ] = new Tree (x, (int) (Math.random ( ) * 3) ) ;

        }

   

        for ( int z = 0; z < 3; z++ ) {

            System.out.println ( "tree " + z + ": x = " + trees [z].xpos +

                                                              ", y = " + trees [z].ypos ) ;   

        }

        System.out.println ( ) ;

       

 

    //the code below creates and outputs an ArrayList of Tree objects. /////////////////

        ArrayList <Tree> greenTrees = new ArrayList (3) ;

        for ( int x = 0; x < 3; x++ ) {

            greenTrees.add (new Tree (x, (int)(Math.random ( )*3) ) ) ;

        }

       

        for ( int z = 0; z < 3; z++ ) {

            System.out.println ( "greenTree " + z + ": x = " + greenTrees.get (z).xpos +

                                                             ", y = " + greenTrees.get (z).ypos ) ;   

        }

    }

}