text help

import greenfoot.*;  // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)
import java.awt.Color;
/**
 * Write a description of class Label here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class Label extends Actor
{
    public int score;
    public Label(int intialScore)//int initialScore )
    {
        score = intialScore;
        setImage(new GreenfootImage( 200, 30 ));
        changeScore();
    }
    
    public void act()
    {
        changeScore();
    }

    public void addScore()    
    {
        score++;
        changeScore();
    }

    public void changeScore()
    {
        GreenfootImage img = getImage();
        img.clear();
        //img.setColor( new Color( 100, 100, 100 ));
        img.setColor( Color.BLACK );
        //img.setFont( new Font("Comic Sans MS", Font.BOLD, 24) );
        score++; // add points to current score
        img.drawString( "Damage: " + score , 100, 100);
    }
}

import greenfoot.*;  // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)
import java.awt.Color;
/**
 * Write a description of class SpaceWorld here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class SpaceWorld extends World
{

    /**
     * Constructor for objects of class SpaceWorld.
     * 
     */
    //private int DAMAGE = 0;
    private Label label;
    public int intialScore;
    public SpaceWorld()
    {    
        // Create a new world with 600x400 cells with a cell size of 1x1 pixels.
        super(600, 400, 1); 

        prepare();
        
    }

    /**
     * Prepare the world for the start of the program. That is: create the initial
    subclass     * objects and add them to the world.
     */
    private void prepare()
    {
        
        Label label = new Label(intialScore);
        addObject(label, 100, 100);
        Spaceship spaceship = new Spaceship(label);
        addObject(spaceship, 234, 205);
 
        EnergyBulllet energybullet = new EnergyBulllet();
        addObject(energybullet, 134, 0);
        EnergyBulllet energybullet2 = new EnergyBulllet();
        addObject(energybullet2, 367, 0);
        

        
    }
    
    public void score()
    {
        label.addScore();
    }
}