javasocket编程实例代码讲解

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;

/**
 * Server
 *
 * @author Icer
 *
 */
public class Server {

    private ServerSocket ss;
    private Socket s;
    private BufferedReader br;
    private PrintWriter pw;

    public Server() {
        try {
                ss = new ServerSocket(10000);
                System.out.println("Server is starting...");
                s = ss.accept();
                br = new BufferedReader(new InputStreamReader(s.getInputStream()));
                pw = new PrintWriter(s.getOutputStream(),true);
                String line = br.readLine();
                System.out.println(line);
                pw.println("your word is:" + line);
                //pw.println("helloworld");
                br.close();
                pw.close();

        } catch (IOException ie) {
            ie.printStackTrace();
        }

    }

    public static void main(String[] args) throws Exception {
        new Server();
    }
}

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;

/**
 * Client
 * @author Icer
 *
 */
public class Client {

    private Socket s;
    private BufferedReader br;
    //private BufferedReader line;
    private PrintWriter pw;
    private String line = "";
    public Client() {
        try{
            s = new Socket("127.0.0.1",10000);
            pw = new PrintWriter(s.getOutputStream(),true);
            br = new BufferedReader(new InputStreamReader(s.getInputStream()));
            pw.println("hello");
            line = br.readLine();
            System.out.println(line);

            br.close();
            pw.close();
        }catch(IOException ie){
            ie.printStackTrace();
        }
    }
    public static void main(String[] args) throws Exception {
        new Client();
    }
}