ReentrantLock

CPU-Code · CPU-Code · commit 7f764c1e1037 · 2021-07-30T15:21:06.000+08:00
diff --git a/thread/README.md b/thread/README.md
@@ -128,6 +128,7 @@
 ## [AQS](src/main/java/com/cpucode/java/aqs)
 
 - [x] [重入锁](src/main/java/com/cpucode/java/aqs/ReentrantDemo.java)
+- [x] [ReentrantLock](src/main/java/com/cpucode/java/aqs/AtomicDemo.java)
 
 - [返回文件目录](#文件目录)
 
diff --git a/thread/src/main/java/com/cpucode/java/aqs/AtomicDemo.java b/thread/src/main/java/com/cpucode/java/aqs/AtomicDemo.java
@@ -0,0 +1,39 @@
+package com.cpucode.java.aqs;
+
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReentrantLock;
+
+/**
+ * @author : cpucode
+ * @date : 2021/7/30
+ * @time : 15:10
+ * @github : https://github.com/CPU-Code
+ * @csdn : https://blog.csdn.net/qq_44226094
+ */
+public class AtomicDemo {
+    private static int count = 0;
+    static Lock lock = new ReentrantLock();
+
+    public static void main(String[] args) throws InterruptedException {
+        for (int i = 0; i < 100; i++) {
+            new Thread(()->{
+                AtomicDemo.inc();
+            }).start();
+        }
+
+        Thread.sleep(2000);
+        System.out.println("result: " + count);
+    }
+
+    public static void inc(){
+        try {
+            lock.lock();
+            Thread.sleep(1);
+            count++;
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }finally {
+            lock.unlock();
+        }
+    }
+}
