merge

2018-03-13 12:34:31 +08:00
parent 41f4217676
commit c76c3e01e6
1 changed files with 1 additions and 1 deletions
@@ -19,7 +19,7 @@ import java.util.concurrent.locks.ReentrantLock;
 */
 public class ReentrantLockDemo {
    // 注意这个地方:lock被声明为成员变量
-    private Lock lock = new ReentrantLock();
+    private final Lock lock = new ReentrantLock();

    public void lock() {
        lock.lock();