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程式碼如下：

tcpClient.java

package reverseServer;

import java.net.*;
import java.io.*;

public class tcpClient {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		if(args.length<2)
		{
			System.out.println("注意：請新增引數：<Server Ip> <Server Port>");
			return;
		}
		Socket sk=null;
		try {
			sk=new Socket(InetAddress.getByName(args[0]),
					Integer.parseInt(args[1]));
			InputStream ips=sk.getInputStream();
			OutputStream ops=sk.getOutputStream();
			//從伺服器讀取資訊的包裝類
			BufferedReader bfr=new BufferedReader(
					new InputStreamReader(ips));
			//輸出資訊流
			PrintWriter pw=new PrintWriter(ops,true);
			//從鍵盤接收資訊
			BufferedReader keyBoard=new BufferedReader(
					new InputStreamReader(System.in));
			while(true)
			{
				String strWord =keyBoard.readLine();
				//訊息傳送到伺服器端
				pw.println(strWord);
				if(strWord.equalsIgnoreCase("quit"))
				{
					System.out.println("客戶端退出！");
					break;
				}
				System.out.println(bfr.readLine());
			}
			pw.close();
			bfr.close();
			keyBoard.close();
			sk.close();
		} catch (Exception e) 
		{
			// TODO Auto-generated catch block
			e.printStackTrace();
		} 

	}

}