public class Court extends World
{
    static Me me = new Me();
    static CP cp = new CP("F"); DW dw = new DW("O");
    static KD kd = new KD("I"); LBJ lbj = new LBJ("L");
    
    
    static Ball b = me.ball;
    static Problem p, p1, p2, p3, p4, pF;
    static ArrayList<Integer> vars, cons;
    static String quantity1, quantity2, quantity3, quantity4, theFinal;
    static int one, two, alpha, beta, key = 1;
    static boolean go = false, probDisplayed = false, ready = false;
    /**
     * Constructor for objects of class Court.
     * 
     */
    public Court()
    {    
        // Create a new world with 600x400 cells with a cell size of 1x1 pixels.
        super(656, 553,1); 
        set();
        
        Greenfoot.start();
        displayProblem();
    }
    public void displayProblem(){
        organize();
        one = vars.get(r()); two = vars.get(r()); 
        alpha = cons.get(r()); beta = cons.get(r());
        quantity1 = "(" + one + "x" + " + " + two + ")";
        quantity2 = "(" + alpha + "x" + " + " + beta + ")";
        p = new Problem(quantity1+quantity2, Font.BOLD);
        addObject(p, getWidth()/2, getHeight()/2);
    }
    public void organize(){
        vars = new ArrayList<Integer>(); cons = new ArrayList<Integer>();
        int i = 0;
        while (i < 1000){
            vars.add(i);
            i++;
        }
        int x = 0;
        while (x <= 1000){
            cons.add(x);
            x++;
        }
    }