Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

import java.io.RandomAccessFile;
import java.nio.channels.FileChannel;
import java.nio.channels.FileLock;

public class Main {
    public static void main(String[] argv) throws Exception {
        String filename = "test.dat";

        RandomAccessFile raf1 = new RandomAccessFile(filename, "rw");
        FileChannel fc1 = raf1.getChannel();

        RandomAccessFile raf2 = new RandomAccessFile(filename, "rw");
        FileChannel fc2 = raf2.getChannel();

        System.out.println("Grabbing first lock");
        FileLock lock1 = fc1.lock(0L, Integer.MAX_VALUE, false);

        System.out.println("Grabbing second lock");
        FileLock lock2 = fc2.lock(5, 10, false);

        System.out.println("Exiting");
    }
}