//TCPClient.java
import java.io.*;
import java.net.*;
class TCPClient
{
	public static void main(String[] args)
{ 
		String data=null;//存放從Socket讀取的字符串
		String Clientdata=null;//存放從鍵盤讀取的字符串
		try
		{ 
			Socket Client =new Socket("localhost",6666);//向服務器發起連接請求
			PrintWriter out=new PrintWriter(Client.getOutputStream(),true);//創建一個向Socket中寫文本行的流，自動刷新
			BufferedReader in=new BufferedReader(new
InputStreamReader(Client.getInputStream()));
				//創建一個從Socket中讀文本行的流
			BufferedReader readFromKeyboard=new BufferedReader(
new InputStreamReader(System.in));
			//創建一個從鍵盤讀文本行的流
		do
		{
			Clientdata=readFromKeyboard.readLine();//從鍵盤讀取一行字符
			out.println(Clientdata);//向服務器發送
			data=in.readLine();//讀取服務器響應
			System.out.println(data);//打印服務器響應
		}while(!Clientdata.equals("quit"));//直到客戶機發送“quit”的時候結束
		out.close();//關閉輸出流
		in.close();//關閉輸入流
		Client.close();//關閉Socket
		} catch(Exception e)
			{
				System.out.print("天啊，不起作用 \n"+e);}
			}
}