package com.kk.review; import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.DataInputStream; import java.io.DataOutputStream; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; public class ByteStream {
   /*         InputStream             FileInputStream             ByteArrayInputStream             FilterInputStream //过虑流类                 DataInputStream                 BufferedInputStream                 LineNumberInputStream(开发java编译器使用)                 PushbackInputStream(开发java编译器使用)             ObjectInputStream             PipcdInputStream             SquenceInputStream             StringBufferInputStream         OutputStream             FileOutpuStream             ByteArrayOutputStream             FilterOutputStream//过虑流类                 DataOutputStream                 BufferedOutputStream                 PrintStream             ObjectOutputStream             PipcdInputStream */ public static void main(String[] args) {
   try{
               InputStream in=new FileInputStream("a.txt"); //获取输入字节流             BufferedInputStream bis=new BufferedInputStream(in);//带缓冲的字节流             DataInputStream dis=new DataInputStream(bis);//带缓冲的字节流，支持读java的基本数据类型             dis.readInt();             dis.close();//不要忘记关闭流^.^                         OutputStream out =new FileOutputStream("a.txt");//获取输出字节流             BufferedOutputStream bos=new BufferedOutputStream(out);//带缓冲的输出字节流             DataOutputStream dos=new DataOutputStream(bos);//带缓冲的输出字节流，支持写java的基本数据类型             dos.writeInt(88);             dos.close();         }catch(FileNotFoundException e){
               e.printStackTrace();         } catch (IOException e) {
               e.printStackTrace();         }     } }