在Java IO编程中还有很多值得我们学习的地方,很多时候我们都不太注重基础知识的积累;工作越久越感觉没有新意,说明我们错误地高估了自己,如果给你一个没有网络的办公环境,你怎么正常开展自己的工作,这是一个值得思考的问题,我们对网络太过于依赖,以至于懒得去记忆。下面要说的是SequenceInputStream的使用。春节回家,在这里做一个标注以便节后继续研究。
给大家推荐一个Java IO编程的阅读地址:http://tutorials.jenkov.com/java-io/index.html
- package com.boonya.io;
-
- import java.io.FileInputStream;
- import java.io.FileNotFoundException;
- import java.io.IOException;
- import java.io.InputStream;
- import java.io.SequenceInputStream;
- import java.util.Vector;
-
- public class IOSequenceInputStream {
-
- public static void main(String[] args) {
- IOSequenceInputStream io=new IOSequenceInputStream();
- //io.sample();
- io.advance();
- }
-
- public void sample() {
- InputStream input1;
- InputStream input2;
- SequenceInputStream sequenceInputStream = null;
- try {
- input1 = new FileInputStream("c:\\data\\file1.txt");
- input2 = new FileInputStream("c:\\data\\file2.txt");
-
- sequenceInputStream = new SequenceInputStream(input1, input2);
-
- int data = sequenceInputStream.read();
- while (data != -1) {
- System.out.println((char)data);
- data = sequenceInputStream.read();
- }
- } catch (FileNotFoundException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- } catch (IOException e) {
- // TODO: handle exception
- } finally {
- if (sequenceInputStream != null) {
- try {
- sequenceInputStream.close();
- } catch (IOException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- }
- }
- }
-
- }
-
- public void advance() {
- SequenceInputStream sequenceInputStream=null;
- try {
- InputStream input1 = new FileInputStream("c:\\data\\file1.txt");
- InputStream input2 = new FileInputStream("c:\\data\\file2.txt");
-
- Vector<InputStream> streams = new Vector<InputStream>();
- streams.add(input1);
- streams.add(input2);
-
- sequenceInputStream = new SequenceInputStream(streams.elements());
-
- int data= sequenceInputStream.read();
-
- while(data != -1){
- System.out.println((char)data);
- data = sequenceInputStream.read();
- }
- sequenceInputStream.close();
- } catch (FileNotFoundException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- } catch (IOException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- }finally{
- if (sequenceInputStream != null) {
- try {
- sequenceInputStream.close();
- } catch (IOException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- }
- }
- }
-
- }
-
- }