@@ -0,0 +1,44 @@
+package org.javacore.nio;
+
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.nio.channels.FileLock;
+import java.util.concurrent.TimeUnit;
+
+/*
+ * Copyright [2015] [Jeff Lee]
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @author Jeff Lee
+ * @since 2015-10-15 19:31:34
+ * 文件加锁
+ */
+public class FileLocking {
+    public static void main(String[] args) throws IOException, InterruptedException {
+        // 获取输出流
+        FileOutputStream fos = new FileOutputStream("data.txt");
+        // 从输出流中获取文件加锁对象，并锁定File
+        FileLock fl = fos.getChannel().lock();
+        if (fl != null) {
+            System.out.println("Locked File");
+            TimeUnit.MICROSECONDS.sleep(100);
+            // 释放文件锁定
+            fl.release();
+            System.out.println("Release Lock");
+        }
+    }
+}