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UDP

The document provides a Java program implementation for a UDP server and client. The server listens for incoming messages on port 9876 and prints them to the console, while the client sends a 'Hello, UDP Server!' message to the server. Both server and client handle exceptions and ensure proper socket closure after execution.

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basiwa4442
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9 views2 pages

UDP

The document provides a Java program implementation for a UDP server and client. The server listens for incoming messages on port 9876 and prints them to the console, while the client sends a 'Hello, UDP Server!' message to the server. Both server and client handle exceptions and ensure proper socket closure after execution.

Uploaded by

basiwa4442
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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RITAM DATTA

11500122089
1. WRITE A JAVA PROGRAM TO IMPLIMENT UDP SERVER CLIENT PROBLEM.

CODE:
SERVER:
// UDPServer.java
import java.net.DatagramPacket;
import java.net.DatagramSocket;

public class UDPServer {


public static void main(String[] args) {
DatagramSocket socket = null;
try {
socket = new DatagramSocket(9876);
byte[] receiveData = new byte[1024];

while (true) {
DatagramPacket receivePacket = new DatagramPacket(receiveData, receiveData.length);
socket.receive(receivePacket);
String message = new String(receivePacket.getData(), 0, receivePacket.getLength());
System.out.println("Received: " + message);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (socket != null && !socket.isClosed()) {
socket.close();
}
}
}
}

CLIENT:
// UDPClient.java
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;

public class UDPClient {


public static void main(String[] args) {
DatagramSocket socket = null;
try {
socket = new DatagramSocket();
InetAddress serverAddress = InetAddress.getByName("localhost");
String message = "Hello, UDP Server!";
byte[] sendData = message.getBytes();

DatagramPacket sendPacket = new DatagramPacket(sendData, sendData.length, serverAddress, 9876);


socket.send(sendPacket);
System.out.println("Message sent to server: " + message);
} catch (Exception e) {
e.printStackTrace();
} finally {
if (socket != null && !socket.isClosed()) {
socket.close();
}
}
}
}
OUTPUT:
SERVER:
CLIENT:

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