2. Add a loop to the programs to make it repeat the task many times. 3. Modify the programs to create a chat between the server and the client: The client sends a text to the server. The server prints the received text and sends an answer to the client. Use a loop to repeat the task.

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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import java.io.*;
import java.net.*;
import java.util.Scanner;
public class Client{
public static void main(String argv[]) throws Exception {
/*1. Connection*/
Socket connectionSocket = new Socket ("localhost",6789);
Scanner scanner, scannerFromSocket;
DataOutputStream outToServer;
String sentenceFromServer;
String clientSentence;
/*2. Scanner to read from keyboard */
scanner = new Scanner(System.in);
/*3. Scanner to read from the socket */
scannerFromSocket = new Scanner(connectionSocket.getInputStream0);
/*4. DataOutputStream to write in the socket */
outToServer=new DataOutputStream(connectionSocket.getOutputStream());
/*5. receiving and sending messages*/
clientSentence =scanner.nextLine();
outToServer.writeBytes(clientSentence + '\n');
sentenceFromServer=scannerFromSocket.nextLine();
| System.out.println(sentenceFromServer);
scannerFromSocket.close();
scanner.close();
connectionSocket.close();
}}
1. What happens if you execute the client program before the server one?
2. Add a loop to the programs to make it repeat the task many times.
3. Modify the programs to create a chat between the server and the client: The client sends a text
to the server. The server prints the received text and sends an answer to the client. Use a loop to
repeat the task.
Transcribed Image Text:import java.io.*; import java.net.*; import java.util.Scanner; public class Client{ public static void main(String argv[]) throws Exception { /*1. Connection*/ Socket connectionSocket = new Socket ("localhost",6789); Scanner scanner, scannerFromSocket; DataOutputStream outToServer; String sentenceFromServer; String clientSentence; /*2. Scanner to read from keyboard */ scanner = new Scanner(System.in); /*3. Scanner to read from the socket */ scannerFromSocket = new Scanner(connectionSocket.getInputStream0); /*4. DataOutputStream to write in the socket */ outToServer=new DataOutputStream(connectionSocket.getOutputStream()); /*5. receiving and sending messages*/ clientSentence =scanner.nextLine(); outToServer.writeBytes(clientSentence + '\n'); sentenceFromServer=scannerFromSocket.nextLine(); | System.out.println(sentenceFromServer); scannerFromSocket.close(); scanner.close(); connectionSocket.close(); }} 1. What happens if you execute the client program before the server one? 2. Add a loop to the programs to make it repeat the task many times. 3. Modify the programs to create a chat between the server and the client: The client sends a text to the server. The server prints the received text and sends an answer to the client. Use a loop to repeat the task.
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