🎨 在 finally 中解锁更加可靠

notes/Java 并发.md

@@ -258,9 +258,13 @@ public void func(String name) {
 ```java
 private Lock lock;
 public int func(int value) {
-    lock.lock();
+   try {
-    // ...
+      lock.lock();
-    lock.unlock();
+      // ...
+
+   }finally {
+      lock.unlock();
+   }
 }
 ```