How do i make it to where if an object touches another instance of its self it will remove i of the objects
   
   
            if (!getIntersectingObjects(getClass()).isEmpty()) getWorld().removeObject(this);
import greenfoot.*;  // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)
/**
 * Write a description of class dumpster here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class dumpster extends coming
{
    /**
     * Act - do whatever the dumpster wants to do. This method is called whenever
     * the 'Act' or 'Run' button gets pressed in the environment.
     */
    public void act() 
    {
        move();
        if(this.getX() < 5)
        {
          getWorld().removeObject(this);
        }    
        if (!getIntersectingObjects(getClass()).isEmpty()) getWorld().removeObject(this);  
    }    
}public void act()
{
    move();
    getWorld().removeObjects(getIntersectingObjects(dumpster.class));
    if (getX() < 5) getWorld().removeObject(this);
}