使用通道传输进行文件串联

// 来自 N o w J a v a . c o m - 时  代  Java

import java.io.FileInputStream;

import java.nio.channels.Channels;

import java.nio.channels.FileChannel;

import java.nio.channels.WritableByteChannel;


public class Main {

  public static void main(String[] argv) throws Exception {

    String[] files = new String[] { "a.txt", "b.txt" };

    catFiles(Channels.newChannel(System.out), files);

  }


  private static void catFiles(WritableByteChannel target, String[] files)

      throws Exception {/**n o w j a v a . c o m - 时代Java**/

    for (int i = 0; i < files.length; i++) {

      FileInputStream fis =