import greenfoot.*;  // (Actor, World, Greenfoot, GreenfootImage)

public class CrabWorld extends World
{
    /**
     * Create the crab world (the beach). Our world has a size
     * of 560x560 cells, where every cell is just 1 pixel.
     */
    public CrabWorld()
    {
        super(560, 560, 1);
    int x = Greenfoot.getRandomNumber(500);
    int y = Greenfoot.getRandomNumber(500);
    }
{
Crab crab1 = new Crab();
addObject = (crab1, x, y)
}
}