Java 版 (精华区)

发信人: DreamWeaver (小样儿的，我气不死你？), 信区: Java
标  题: 每日一题第三期参考答案
发信站: 哈工大紫丁香 (2002年08月20日19:38:50 星期二), 站内信件

/**
* TCPClient.java
*/
import java.io.*;
import java.net.*;
class TCPClient{
    public static void main(String argv[])throws Exception{
        String sentence;
        String modifiedSentence;
        BufferedReader inFromUser=new BufferedReader(new 
                                            InputStreamReader(System.in));
        Socket clientSocket=new Socket("127.0.0.1",6789);
        DataOutputStream outToServer=new DataOutputStream(
                                          clientSocket.getOutputStream());
        BufferedReader inFromServer=new BufferedReader(
                    new InputStreamReader(clientSocket.getInputStream()));
        sentence=inFromUser.readLine();
        outToServer.writeBytes(sentence+'\n');
        modifiedSentence=inFromServer.readLine();
        System.out.println("FROM SERVER:"+modifiedSentence);
        clientSocket.close();
    }
}

/**
* TCPServer.java
*/
import java.io.*;
import java.net.*;
class TCPServer{
    public static void main(String argv[])throws Exception{
        String clientSentence;
        String capitalizedSentence;
        ServerSocket welcomeSocket=new ServerSocket(6789);
        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);
        }
    }
} 


--
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※ 来源:·哈工大紫丁香 bbs.hit.edu.cn·[FROM: 202.118.239.4]