多个流合并到一个流中，进行处理
package com.gc.file;import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.SequenceInputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.List;public class SequenceInputStreamDemo {public static void main(String[] args) throws Exception {//定义容器，装流List<FileInputStream> c = new ArrayList<FileInputStream>();c.add(new FileInputStream("temp\\buffered.txt"));c.add(new FileInputStream("temp\\pw.txt"));c.add(new FileInputStream("temp\\text.txt"));//使用集合工具类，将集合转换为枚举Enumeration<FileInputStream> enumeration = Collections.enumeration(c);//将枚举集合中的流进行合并SequenceInputStream sis = new SequenceInputStream(enumeration);//字节流转换为字符流,并指定编码BufferedReader bufr = new BufferedReader(new InputStreamReader(sis,"UTF-8"));//使用打印流PrintWriter pw = new PrintWriter(new FileWriter("temp\\seqSteam.txt"), true);String line = null;while((line=bufr.readLine())!=null) {pw.println(line);}//释放连接bufr.close();pw.close();}
}