tcpserver.java

JAVA客户机和服务器应用程序设计,有UDP和TCP,课本的源码,我们的课程设计

import java.io.*;
import java.net.*;
class TCPServer {
	public static void main (String argv[]) throws Exception
	{
		String clientSentence;
		String capitalizedSentence;
		ServerSocket welcomeSocket = new ServerSocket(8080);
		while(true){
			Socket connectionSocket = welcomeSocket.
			accept();
			BufferedReader inFromClient =
			new BufferedReader(new InputStreamReader(
				connectionSocket.getInputStream()));
			DataOutputStream outToClient =
			new DataOutputStream(
			connectionSocket.getOutputStream());
		clientSentence = inFromClient.readLine();
		capitalizedSentence =
		clientSentence.toUpperCase() + '\n';
		outToClient.writeBytes(capitalizedSentence);
		}
		}
		}