死锁问题的代码(JAVA)

技术2022-05-12 69

// 死锁 public class TestDeadLock implements Runnable { public int flag = 1; static Object o1 = new Object(), o2 = new Object(); public void run() { System.out.println("flag=" + flag); if(flag == 1) { synchronized(o1) { try { Thread.sleep(500); } catch (Exception e) { e.printStackTrace(); } synchronized(o2) { System.out.println("1"); } } } if(flag == 0) { synchronized(o2) { try { Thread.sleep(500); } catch (Exception e) { e.printStackTrace(); } synchronized(o1) { System.out.println("0"); } } } } public static void main(String[] args) { TestDeadLock td1 = new TestDeadLock(); TestDeadLock td2 = new TestDeadLock(); td1.flag = 1; td2.flag = 0; Thread t1 = new Thread(td1); Thread t2 = new Thread(td2); t1.start(); t2.start(); }}

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