Java 网络编程，

Java 网络编程，

服务器代码

BufferedReader in = new BufferedReader(new InputStreamReader(client.getInputStream()));//从客户端获取一个输入流

PrintWriter out = new PrintWriter(new OutputStreamWriter(client.getOutputStream()));//从客户端获取一个输出流；中间那个粉红色部分只是起到一个转换器的作用

客户端代码

BufferedReader in = new BufferedReader(new InputStreamReader(server.getInputStream()));

PrintWriter out = new PrintWriter(new OutputStreamWriter(server.getOutputStream()));
BufferedReader from = new BufferedReader(new InputStreamReader(System.in));//客户端数据来源：接受键盘输入

先运行服务器代码，再运行客户端代码报连接重置错误：

 Connection reset
at java.net.SocketInputStream.read(SocketInputStream.java:189)
at java.net.SocketInputStream.read(SocketInputStream.java:121)
at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:283)
at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:325)
at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:177)
at java.io.InputStreamReader.read(InputStreamReader.java:184)
at java.io.BufferedReader.fill(BufferedReader.java:154)
at java.io.BufferedReader.readLine(BufferedReader.java:317)
at java.io.BufferedReader.readLine(BufferedReader.java:382)
at refernet.Demo.main(Demo.java:24)

产生原因：客户端连接到服务器就被回收

解决方法：加上client.close（），使得客户端连接并写入数据给服务器端之后再关闭