I don't know what is wrong with the code
anyone knows?
import greenfoot.*;  // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)
public class R1 extends World
{
     Intel Intel = new Intel();
     AMD AMD = new AMD();
     Incorrecta Incorrecto = new Incorrecta ();
     reiniciar reiniciar = new reiniciar ();
     Correcta correcto = new Correcta (); 
    /**
     * Constructor for objects of class R1.
     * 
     */
    public R1()
    {    
        // Create a new world with 600x400 cells with a cell size of 1x1 pixels.
        super(1000, 750, 1); 
        addObject(new Intel(),179, 653);
        addObject(new AMD(),807, 653);
    }
    public void act ()
    {
        if (Greenfoot.mouseClicked(Intel))
     {
        addObject(Incorrecto,460,338);
        addObject(reiniciar,448,164);
     }
      if (Greenfoot.mouseClicked(AMD))
     {
        addObject(correcto,460,97);
        addObject(reiniciar,448,164);
     }
     if (Greenfoot.isKeyDown("G"))
     {
       Greenfoot.setWorld(new Pareo()); 
     }
    }
}
  
  
            
          
        
