#javaSocket#服務端客戶端互聊

1.Server.java

package SocketLearn;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Scanner;

public class Server {

    public static void main(String[] args) {
        try {

            ServerSocket ss = new ServerSocket(8888);

            System.out.println("監聽在端口號:8888");
            Socket s = ss.accept();

            InputStream is = s.getInputStream();
            DataInputStream dis = new DataInputStream(is);
            OutputStream os = s.getOutputStream();
            DataOutputStream dos = new DataOutputStream(os);

            while (true) {
                String msg = dis.readUTF();
                System.out.println("收到客戶端信息"+msg);
                Scanner sc = new Scanner(System.in);
                String str = sc.next();
                dos.writeUTF(str);
            }

        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }
}

2.Client.java

package SocketLearn;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Scanner;

public class Client {

    public static void main(String[] args) {

        try {
            Socket s = new Socket("127.0.0.1", 8888);

            OutputStream os = s.getOutputStream();
            DataOutputStream dos = new DataOutputStream(os);
            InputStream is = s.getInputStream();
            DataInputStream dis = new DataInputStream(is);

            while(true){
                Scanner sc = new Scanner(System.in);
                String str = sc.next();
                dos.writeUTF(str);
                String msg = dis.readUTF();
                System.out.println("收到服務端信息"+msg);
            }

        } catch (UnknownHostException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}