FileLocking.java Source code

Introduction

Here is the source code for FileLocking.java

Source

// : c12:FileLocking.java
// {Clean: file.txt}
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.

import java.io.FileOutputStream;
import java.nio.channels.FileLock;

public class FileLocking {
    public static void main(String[] args) throws Exception {
        FileOutputStream fos = new FileOutputStream("file.txt");
        FileLock fl = fos.getChannel().tryLock();
        if (fl != null) {
            System.out.println("Locked File");
            Thread.sleep(100);
            fl.release();
            System.out.println("Released Lock");
        }
        fos.close();
    }
} ///:~