Merge remote-tracking branch 'origin/master'

randian666 · randian666 · commit 198d15728ba3 · 2019-01-03T14:15:49.000+08:00
diff --git a/README.md b/README.md
@@ -128,6 +128,7 @@
  - 讲讲java同步机制的wait和notify。
  - CAS机制是什么，如何解决ABA问题。
  - 多线程如果线程挂住了怎么办。
+ - [深入分析AQS实现原理](https://mp.weixin.qq.com/s/2v0T3Nu7m2ka9D8PLl2XxQ)
  - countdowlatch和cyclicbarrier的内部原理和用法，以及相互之间的差别(比如
  - countdownlatch的await方法和是怎么实现的)。
  - 对AbstractQueuedSynchronizer了解多少，讲讲加锁和解锁的流程，独占锁和公平所加锁有什么不同。
diff --git a/src/main/java/com/algorithm/study/demo/thread/DeadlockTest.java b/src/main/java/com/algorithm/study/demo/thread/DeadlockTest.java
@@ -10,9 +10,7 @@ public class DeadlockTest {
     private static Object o1=new Object();
     private static Object o2=new Object();
     public static void main(String[] args) {
-          new Thread(){
-              @Override
-              public void run() {
+          new Thread(()->{
                   synchronized (o1){
                       System.out.println("Thread1 get lock o1");
                       try {
@@ -25,25 +23,21 @@ public void run() {
                       }
                       System.out.println("Thread1 end");
                   }
-              }
-          }.start();
+          }).start();
 
-        new Thread(){
-            @Override
-            public void run() {
-                synchronized (o2){
-                    System.out.println("Thread2 get lock o1");
-                    try {
-                        TimeUnit.SECONDS.sleep(1);
-                    } catch (InterruptedException e) {
-                        e.printStackTrace();
-                    }
-                    synchronized (o1){
-                        System.out.println("Thread2 get lock o2");
-                    }
-                    System.out.println("Thread2 end");
+        new Thread(() -> {
+            synchronized (o2){
+                System.out.println("Thread2 get lock o1");
+                try {
+                    TimeUnit.SECONDS.sleep(1);
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
                 }
+                synchronized (o1){
+                    System.out.println("Thread2 get lock o2");
+                }
+                System.out.println("Thread2 end");
             }
-        }.start();
+        }).start();
     }
 }
