JAVA_字节流类

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();
        }
    }
}