Java核心代码例程之：ServerSocketDemo.java

2019-11-18 15:16:49

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import java.io.*;
import java.net.*;

/**
* Demonstrates how to write a Java Server
*
* @see ClientSocketDemo
***/
public class ServerSocketDemo
{
    public static void main(String args[]) throws Exception
    {
        // setup server on port 6000
        ServerSocket ss = new ServerSocket(6000);
        System.out.PRintln(">> Waiting for client connection...");

        // This can be placed in a while loop to serve multiple clients
        Socket s = ss.accept();

        // Print input
        System.out.println(">> Connection received, reading data...");
        BufferedReader br = new BufferedReader(new InputStreamReader(s.getInputStream()));
        PrintWriter pw = new PrintWriter(s.getOutputStream());

        System.out.println(br.readLine());

        System.out.println(">> Sending message back");
        pw.println("Good Bye!");
        pw.flush();

        // close sockets
        pw.close();
        br.close();
        ss.close();

        System.out.println(">> Done!");
    }
}

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