聊天室实现--客户端发送信息线程实现

public class SentClientThread extends Thread {
    private PrintWriter printWriter;

    public SentClientThread(PrintWriter printWriter){
        this.printWriter=printWriter;
    }

    public void run(){
        try{
            Scanner scanner = new Scanner(System.in);
            while (true){
                String message=scanner.nextLine();
                sentMessage(printWriter,message);
            }
        }catch (Exception e){
            e.printStackTrace();
        }
    }

    /**
     * 发送信息
     * @param printWriter
     * @param message
     */
    public void sentMessage(PrintWriter printWriter,String message){
        printWriter.println(message);
        printWriter.flush();
    }
}
public class SentClientThread extends Threa