Thread: tell me why this code wont work

Code:

import java.util.ArrayList;


public class PestControl extends Thread {

	private static final ArrayList<Player> PLAYERS = new ArrayList<Player>();
	private static final int END_GAME = 0;
	private static final int[] TIMES = {2,1}; // in Minutes.
	private static final int START_GAME = (TIMES[0] * 60); 
	private static final int NEW_GAME = ((TIMES[1] + TIMES[0]) * 60);
	private static PestControl pestControl;
	private static boolean pestGameIsRunning = false;
	private static int gameTimer = NEW_GAME;
		
	protected PestControl() {
		this.pestGameIsRunning = true;
	}
	protected static void setInstance(PestControl pestControl) {
		pestControl = pestControl;
	}
		
	protected static PestControl getInstance() {
		return pestControl;
	}	
		
		/*public void addPlayer(Player p, String color2) {
			ArrayList<Player> color = color2 == "blue" ? BLUE_PLAYERS : RED_PLAYERS;
			if(!RED_PLAYERS.contains(p) && !BLUE_PLAYERS.contains(p))
				color.add(p);
		}*/
			
	/*public void removePlayer(Player p) {
		if (p != null) {
			if(PLAYERS.contains(p)) {
				PLAYERS.remove(p);
				p.closedAreasReset();
				p.toX = 2441;
				p.toY = 3091;
			}
		}
	}*/
			
	private static void startGame() {
		//Checks all Players Once instead of every step they take

		//Teles all players into arena.
		for (Player p : PLAYERS) {
			if (p != null) {
				p.teleportToClosedArea(5);
				p.c(p).wildysigndisappear2();
				p.c(p).setInterfaceWalkable(13588);
			}
		}
	}
	
	protected boolean isInGame(Player p) {
		return (PLAYERS.contains(p));
	}
	
	private static void endGame() {
		for (Player p : PLAYERS) {
			if (p != null) { 
				if (p.getIsInClosedArea(4)) {
					p.closedAreasReset();
					p.currentHealth = p.playerLevel[p.playerHitpoints]; //brb
					p.toX = 2441;
					p.toY = 3091;
					p.c(p).wildysigndisappear2();
				}
			}
		}
		PLAYERS.clear();
	}
		
	
	private void editTimer() {
			if (gameTimer > END_GAME && gameTimer < START_GAME) { //if timer is > 0 and timer < 300 countunue.
				endGame();
				gameTimer = END_GAME;
			} else { //else
				gameTimer = NEW_GAME; //if time is <= 0 or timer >= 300 then timer = 300 kk save+compile? yeah.
			}
		}
			
	private void sendWaitingRoomTimer() {
		for (Player p : Server.playerHandler.players) {
			if (p != null) {
				if ((p.getIsInClosedArea(4))) {
						p.c(p).sendFrame126("@[email protected] In Team:"+PLAYERS.size(),13589);
						p.c(p).sendFrame126("@[email protected]",13593);
						p.c(p).sendFrame126("@[email protected] Left: "+getModifidTimer(gameTimer - START_GAME),13591);
					} 
				}
			}
		}
		
	private void sendStrings() {
			for (Player p : PLAYERS) {
				if (p != null) {
					if (p.c(p).getIsInClosedArea(5)) {
						p.c(p).setInterfaceWalkable(13588);
						p.c(p).sendFrame126("Test ",13591);
						p.c(p).sendFrame126("TEST ",13592);
						p.c(p).sendFrame126("@[email protected] Left: "+getModifidTimer(gameTimer - END_GAME),13593);
					}
				}	
			}
		}
			
	private String getModifidTimer(int time) {
		int minutes = (time / 60);
		int seconds = (time - (minutes * 60));
		return ("Time: "+minutes+":"+(seconds < 10 ? "0"+seconds : seconds));
	}
	
	public void run() {
		while(pestGameIsRunning) {
			
			if (START_GAME == gameTimer) { //180
				startGame();
			}
			
			if (END_GAME == gameTimer) {
				endGame();
			}
		
				sendStrings(); 
				sendWaitingRoomTimer();
				editTimer();//the timer wont go down eaither :\ its not even runing it sec.		
			System.out.println("TIME: "+gameTimer+" PLAYER_SIZE: "+PLAYERS.size());
			try {
				Thread.sleep(1000);
			} catch (Exception e){ e.printStackTrace(); }
		}
		
		//System.out.println("Game Crashed..."); 
	}
}