Point System

    import greenfoot.*;  // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)      
          
/**   
 * Write a description of class endlvl here.   
 *    
 * @author (your name)    
 * @version (a version number or a date)   
 */      
public class endlvl extends World      
{      
    private Text coinsCollectedText;      
    private int coinsCollected = 0;    

    /**   
     * Constructor for objects of class endlvl.   
     *    
     */    
    public endlvl()    
    {    
        super(10, 10, 50);       
        coinsCollectedText = new Text("You have collected 0/50 coins", 20);      
        addObject(coinsCollectedText, 5, 2);      

        prepare();
    }    

    public void act()    
    {    
        Player packman = (Player) getObjects(Player.class).get(0);    
        if (coinsCollected < packman.getCoinsCollected()) {    
            coinsCollected = packman.getCoinsCollected();    
            coinsCollectedText.setText("You have collected "+coinsCollected+"/50 coins");    
        }    
    }    

    /**
     * Prepare the world for the start of the program. That is: create the initial
     * objects and add them to the world.
     */
    private void prepare()
    {
        Counter counter = new Counter();
        addObject(counter, 5, 5);
        removeObject(counter);
        Player player2 = new Player();
        addObject(player2, 5, 5);
        
}  
}

private int coinsCollected = 0;
    
    /**
     * Act - do whatever the Player wants to do. This method is called whenever
     * the 'Act' or 'Run' button gets pressed in the environment.
     */
    
    
    
    
        public void getCoin() {  
        Actor coin = getOneObjectAtOffset(0, 0, Coin.class);  
        if (coin != null) {  
            getWorld().removeObject(coin);  
        }  
        coinsCollected++;
    }  
    public void act()
    {
        getCoin();

// constructor w/argument
public endlvl(int coinCount)
{
    super(10, 10, 50);
    coinsCollectedText = new Text("You have collected "+coinCoint+"/50 coins", 20);
    addObject(coinsCollectedText, 5, 5);
}
// create from other world with
Greenfoot.setWorld(new endlvl(coinsCollected));

// or, using a method call, with constructor
public endlvl()
{
    super(10, 10, 50);
    coinsCollectedText = new Text("", 20);
    addObject(coinsCollectedText, 5, 5);
}
// with this method
public void setCoinsCollected(int coinCount)
{
    coinsCollectedText.setText("You have collected "+coinCount+"/50 coins");
}
// created from other world with
endlvl elvl = new endlvl();
elvl.setCoinsCollected(coinsCollected);
Greenfoot.setWorld(elvl);

import greenfoot.*;

public class endlvl extends World
{
    public endlvl(int coinCount)
    {
        super(1, 1, 500);
        Text text = new Text("You have collected "+coinCount +"/50 coins", 20);
        addObject(text, 0, 0);
        Greenfoot.stop();
    }
}