深入浅出IO模型（一）：BIO

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.ServerSocket;
import java.net.Socket;

public class jooks {
    public static void main(String[] args) throws IOException {
        ServerSocket socket = new ServerSocket(8090); //主动套接字 => 监听套接字
        System.out.println("new a socket on port:8090");
        while (true) {
            Socket client = socket.accept(); //监听套接字 => 已连接套接字
            System.out.println("client\t" + client.getPort());
            new Thread(() -> {
                try {
                    InputStream is = client.getInputStream();
                    BufferedReader reader = new BufferedReader(new InputStreamReader(is));
                    while (true) {
                        System.out.println(reader.readLine());  //recv
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }).start();
        }
    }
}