ReenterLock

Author: ZHENFENG13

src/chapter3/ReenterLock.java

@@ -0,0 +1,40 @@
+package chapter3;
+
+import java.util.concurrent.locks.ReentrantLock;
+
+/**
+ * ÖØÈëËø
+ * Created by 13 on 2017/5/5.
+ */
+public class ReenterLock implements Runnable {
+    public static ReentrantLock lock = new ReentrantLock();
+    public static int i = 0;
+
+    @Override
+    public void run() {
+        for (int j = 0; j < 1000000; j++) {
+            lock.lock();
+            try {
+                i++;
+            } finally {
+                lock.unlock();
+            }
+
+        }
+    }
+
+    public static void main(String args[]) throws InterruptedException {
+        ReenterLock reenterLock = new ReenterLock();
+        Thread thread1 = new Thread(reenterLock);
+        Thread thread2 = new Thread(reenterLock);
+
+        thread1.start();
+        thread2.start();
+
+        thread1.join();
+        thread2.join();
+
+        System.out.println(i);
+    }
+
+}