MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.channels.FileChannel;
import java.nio.channels.FileLock;

public class MainClass {

    public static void main(String[] args) throws IOException {

        FileInputStream inFile = new FileInputStream(args[0]);
        FileOutputStream outFile = new FileOutputStream(args[1]);

        FileChannel inChannel = inFile.getChannel();
        FileChannel outChannel = outFile.getChannel();

        FileLock outLock = outChannel.lock();
        FileLock inLock = inChannel.lock(0, inChannel.size(), true);

        inChannel.transferTo(0, inChannel.size(), outChannel);

        outLock.release();
        inLock.release();

        inChannel.close();
        outChannel.close();
    }
}