線程的四種狀態線程
1.新建 2.就緒,3,死亡4.阻塞繼承
創建線程的途徑線程池
1.繼承Thread 2.實現runnable方法
創建線程池的幾種方法vi
ExecutorService executorService = Executors.newCachedThreadPool();阻塞
ExecutorService executorService = Executors.newFixedThreadPool(3);sync
ExecutorService executorService = Executors.newSingleThreadExecutor();new
加鎖的方式synchronized
synchronized關鍵字 Lock加鎖ab