学习笔记I/O篇之四

 

import java.io.*;

public class IOStreamTest
...{
     public static void main(String args[]) throws IOException
     ...{
          /** *//**FileOutputStream fos=new  FileOutputStream("hello123.txt");
          OutputStreamWriter osw=new OutputStreamWriter(fos);
          BufferedWriter bw=new BufferedWriter(osw);
          bw.write("www.163.ciom");
          bw.close();*/
          
         /** *//** FileInputStream fis=new  FileInputStream("hello123.txt");
          InputStreamReader isw=new InputStreamReader(fis);
          BufferedReader br=new BufferedReader(isw);
          System.out.println(br.readLine());//只能读取一行数据
          bw.close();*/
          
          //z字符流到字节流（System.in）之间转换的桥梁
          InputStreamReader isw=new InputStreamReader(System.in);
          BufferedReader br=new BufferedReader(isw);
          String strLine;
          while((strLine=br.readLine())!=null)
          ...{
              System.out.println(strLine);
          }
     }
} 

  

nJava程序语言使用Unicode来表示字符串和字符。 
nReader和Writer这两个抽象类主要用来读写字符流。