public static void saveHighScore(int score)
{
    Player player = null;
    if ((UserInfo.isStorageAvailable())) player = UserInfo.getMyInfo();
    if (player == null) return;
    if (score > player.getScore() || (player.getInt(0) == 0))
    {
        player.setScore(score);
        player.setInt(0, 1);
        iplayer.store();
    }
}

public static int[] getCurrentHighScores()
{
    Player player = null;
    if ((UserInfo.isStorageAvailable())) player = UserInfo.getMyInfo();
    if (player == null) return new int[] { 0, 0, 0 };
    return new int { player.getInt(0),  player.getInt(1),  player.getInt(2) };
}

int highScore60 = MainMenu.getCurrentHighScores()[1];

public static void saveHighScore(int which, int score)

if (score > player.getInt(which))

player.setInt(0, which);

MainMenu.saveHighScore(1, score);

import greenfoot.*;  // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)
import java.awt.Color;
/**
 * Write a description of class MainMenu here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class MainMenu extends World
{
    /**
    * Constructor for objects of class MainMenu.
    * 
    */
    private static final Color TEXT_COLOR = new Color(255,255,255);
    private static final Color TRANSPARENT_COLOR = new Color(0,0,0,0);
    public  static int highScore30, highScore60, highScore90;
    MainMenu.saveHighScore(1, score);
    
    public MainMenu()
    {    
        // Create a new world with 600x400 cells with a cell size of 1x1 pixels.
            super(1500,800,1); 
            Items();
            Intro();
        
    }
    
    void Items()
    {   
            addObject(new thirty_seconds(),750,400);
            addObject(new sixty_seconds(),750,500);
            addObject(new ninety_seconds(),750,600);
            addObject(new Credits(),750,700);
            HiScores();
        
    }
    
    void Intro()
    {
             GreenfootSound sound = new GreenfootSound("START.wav");
             Greenfoot.playSound("START.wav");
    }

    public static void finalScore30(int score)
    {
    if (score > highScore30) 
    {
            highScore30 = score;
    }
    }
    
    
    public static void finalScore60(int score)
   {
    if (score > highScore60)
    {
            highScore60 = score;
    }
   }


    public static void finalScore90(int score)
    {
    if (score > highScore90)
    {
            highScore90 = score;
    }
   }
    
    private void HiScores()
    {
        GreenfootImage text = new GreenfootImage("30-second High Score: "+highScore30, 30, TEXT_COLOR, TRANSPARENT_COLOR);
        getBackground().drawImage(text, 1000, 50);
        text  = new GreenfootImage("60-second High Score: "+highScore60, 30, TEXT_COLOR, TRANSPARENT_COLOR);
        getBackground().drawImage(text, 1000, 504);
        text  = new GreenfootImage("90-second High Score: "+highScore90, 30, TEXT_COLOR, TRANSPARENT_COLOR);
        getBackground().drawImage(text, 1000, 570);
   }


   public static void saveHighScore(int which, int score)
{
    Player player = null;
    if ((UserInfo.isStorageAvailable())) player = UserInfo.getMyInfo();
    if (player == null) return;
    if (score > player.getInt(which))
    {
        
        player.setInt(0, which);
        iplayer.store();
    }
}






















}

import greenfoot.*;
import java.awt.Color;    
 
/**
 * an object that display the remaining time units before the scenario stops;
 * this class counts frames (or act cycles) as the regulating unit of time
 */
public class Timer30 extends Actor   
{      
    int time = 3; // seconds to run
    int fps = 55; // approximate number of frames per second (adjust as needed)
    int cycles = time * fps; // the countdown timer
    private static final Color TEXT_COLOR = new Color(255,255,255);
    private static final Color TRANSPARENT_COLOR = new Color(0,0,0,0);
    GreenfootSound sound = new GreenfootSound("DIE.wav");
    /*
     * sets the initial image of this Timer object
     */
    public Timer30()   
    {
        updateImage(); // shows remaining time
    }  
 
    /*
     * runs the timer and updates the image of this Timer object
     */
    public void act()   
    {    
        cycles--; // decrement countdown timer
        if (cycles % fps == 0)
        {
            updateImage();        // show the time remaining (only done when needed) 
           
        }
        if (cycles == 0)
        {
            Greenfoot.setWorld(new GameOverScreen());
            [b]MainMenu.saveHighScore(1,score);[/b]
                    
            sound.play();
        }
    }
      
    /*
     * sets the image to the number of approximate seconds remaining on the timer
     */
    private void updateImage()
    {
        setImage(new GreenfootImage("Seconds left " + (cycles+fps-1)/fps, 24,Color.RED, null));
        
    }
}