一开始学Stream时没注意过write的flush()方法，今天在学网络编程时，注意到了
服务器端：
import .*;import java.io.*;public class Client{public static void main(String[] args) throws Exception {Socket socket = new Socket("localhost",8888);BufferedOutputStream out = new BufferedOutputStream(socket.getOutputStream());byte[] buff = new byte[2048];for(int i = 0 ; i < 2048 ; i ++){buff[i] = 'a';}out.write(buff);out.flush();out.close();socket.close();System.out.println("Send Over!");}}
客户端：
import .*;import java.io.*;public class Client{public static void main(String[] args) throws Exception {Socket socket = new Socket("localhost",8888);BufferedOutputStream out = new BufferedOutputStream(socket.getOutputStream());byte[] buff = new byte[2048];for(int i = 0 ; i < 2048 ; i ++){buff[i] = 'a';}out.write(buff);out.flush();out.close();socket.close();System.out.println("Send Over!");}}
当客户端缺少flush语句并且没有关闭close时
---------- java ----------
Wait for connection…
Exception in thread “main” .SocketException: Connection reset
at .SocketInputStream.read(Unknown Source)
at .SocketInputStream.read(Unknown Source)
at java.io.BufferedInputStream.fill(Unknown Source)
at java.io.BufferedInputStream.read1(Unknown Source)
at java.io.BufferedInputStream.read(Unknown Source)
at java.io.FilterInputStream.read(Unknown Source)
at Server.main(Server.java:13)
输出完成 (耗时 5 秒) - 正常终止
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