Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

import java.nio.channels.FileChannel;

public class Main {
    /**
     * Copy a file by using the file channels, it could be 10x faster than the traditional way of
     * copying file by using the file streams.
     * 
     * @param src     the source file
     * @param dest    the destination file
     * @throws IOException
     */
    public static void copyFileUsingFileChannels(File src, File dest) throws IOException {
        FileChannel inputChannel = null;
        FileChannel outputChannel = null;

        try {
            inputChannel = new FileInputStream(src).getChannel();
            outputChannel = new FileOutputStream(dest).getChannel();
            outputChannel.transferFrom(inputChannel, 0, inputChannel.size());
        } finally {
            inputChannel.close();
            outputChannel.close();
        }
    }
}