java中简单的服务器和客户端字符串的传输

//服务器端

public class Client {
public static void main(String[] args) throws UnknownHostException, IOException {

    // TODO Auto-generated method stub
    Scanner input = new Scanner(System.in);
    try {
        while(true){
            //步骤1：创建Socket对象
            Socket s = new Socket("127.0.0.1",10086);
            System.out.println("客户端启动。。。");

            //步骤2：获取输入输出流
            OutputStream out = s.getOutputStream();
            InputStream in = s.getInputStream();

            //步骤3：处理数据

            System.out.print("客户端请输入消息：");
            String str = input.nextLine(); 
            out.write(str.getBytes());

            byte[] buf = new byte[1024];
            int len = in.read(buf);
            //String str = new String(buf);
            String str2 = new String(buf,0,len);

            System.out.println("客户端接收到信息："+str2)