Copy.java Source code

Java tutorial

Introduction

Here is the source code for Copy.java

Source

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

public class Copy {

    public static void main(String[] args) {
        FileChannel in = null;
        FileChannel out = null;

        if (args.length < 2) {
            System.out.println("Usage: java Copy <from> <to>");
            System.exit(1);
        }

        try {
            in = new FileInputStream(args[0]).getChannel();
            out = new FileOutputStream(args[1]).getChannel();
            out.transferFrom(in, 0L, (int) in.size());

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}