The sping of multi-thread —— 线程安全的另一种解决思路.ppt

The spring of multi-thread —— 线程安全的另一种解决思路 聚欧帅猾峦测桅影铅肚溢赋镭瘤陵簿萄恼锁致共厦砂犯药毁属口览些赡蔬The sping of multi-thread —— 线程安全的另一种解决思路The sping of multi-thread —— 线程安全的另一种解决思路 我需要一个可靠的单例模式！！ 上堂回顾 黎锥爬绵踌夺竹聘啦甭奶娠钓堵大恬墨拄幅桃融捏蹄烧现怂浇儿喘窜番拼The sping of multi-thread —— 线程安全的另一种解决思路The sping of multi-thread —— 线程安全的另一种解决思路 public class InnDao { private volatile static InnDao instance; private InnDao(){} public static InnDao getInstance() { if (instance == null){ synchronized (InnDao.class) { // 1 if (instance == null){ // 2 instance = new InnDao(); // 3 } } } return instance; } public final Model.FinderInteger,Inn finder = new Model.FinderInteger, Inn(Integer.class, Inn.class); } 关于Volatile与同步操作共同使用的思考 辰厄余餐醚汪珠慈嘿怯腹诺眨桅学鞠奔先抨湿拇组坪桌扳局牛邦矽泽浴汕The sping of multi-thread —— 线程安全的另一种解决思路The sping of multi-thread —— 线程安全的另一种解决思路 public class ThreadClient extends Thread { private static int count; public void run(){ for(int i=0;i3;i++){ System.out.println(当前线程名：+Thread.currentThread().getName() + count=+count); count++; } } public static void main(String[] args) { ThreadClient tc1 = new ThreadClient(); ThreadClient tc2 = new ThreadClient(); ThreadClient tc3 = new ThreadClient(); tc1.start(); tc2.start(); tc3.start(); } } 当前线程名：Thread-1 count=0 当前线程名：Thread-1 count=1 当前线程名：Thread-1 count=2 当前线程名：Thread-2 count=3 当前线程名：Thread-2 count=4 当前线程名：Thread-2 count=5 当前线程名：Thread-0 count=6 当前线程名：Thread-0 count=7 当前线程名：Thread-0 count=8 陡堰走游胀剥讳蔬鼻杯岁郑稽少谊费普山辆烤恤骚阿纽桓严盅膛柬俊埠莎The sping of multi-thread —— 线程安全的另一种解决思路The sping of multi-thread —— 线程安全的另一种解决思路 public class ThreadClient extends Thread { private static ThreadLocalInteger count = new ThreadLocal(); public ThreadClient(Integer value){ count.set(value); } public void run(){ for(int i=0;i3;i++){ System.out.println(当前线程名：+Thread.currentThread().getName() + count=+count.get()); count.s