Last two condition not met

package com.codegym.task.task28.task2809; import java.util.ArrayList; import java.util.List; import java.util.concurrent.Phaser; /* Plants vs Zombies */ public class Solution { public static void main(String[] args) throws InterruptedException { List<Character> characters = new ArrayList<>(); characters.add(new Plant()); characters.add(new Plant()); characters.add(new Zombie()); characters.add(new Zombie()); characters.add(new Zombie()); start(characters); } private static boolean isEveryoneReady = false; private static void start(List<Character> characters) throws InterruptedException { final Phaser phaser = new Phaser(1 + characters.size()); phaser.arriveAndDeregister(); for (final Character character : characters) { final String member = character.toString(); System.out.println(member + " joined the game"); new Thread() { @Override public void run() { System.out.println(member + " is preparing to play"); phaser.arriveAndAwaitAdvance(); if (!isEveryoneReady) { phaser.arriveAndDeregister(); isEveryoneReady = true; System.out.println("The game has begun!"); } character.run(); } }.start(); } } }