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Commit 9e830bf

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TCP as well as UDP Socket Programming
1 parent c06779a commit 9e830bf

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7 files changed

+167
-92
lines changed

7 files changed

+167
-92
lines changed

‎.idea/workspace.xml

Lines changed: 107 additions & 90 deletions
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‎src/com/example/hello_world_package/Network_Programming_Client_Code.java renamed to ‎src/com/example/hello_world_package/Network_Programming_TCP_Client_Code.java

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import java.net.Socket;
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import java.util.Scanner;
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public class Network_Programming_Client_Code {
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public class Network_Programming_TCP_Client_Code {
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//RUN THE SERVER FIRST
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‎src/com/example/hello_world_package/Network_Programming_Server_Code.java renamed to ‎src/com/example/hello_world_package/Network_Programming_TCP_Server_Code.java

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import java.net.Socket;
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import java.util.Scanner;
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public class Network_Programming_Server_Code {
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public class Network_Programming_TCP_Server_Code {
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public static void main(String[] args) throws IOException {
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ServerSocket serverSocket = new ServerSocket(1500);
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Socket socket = serverSocket.accept();
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package com.example.hello_world_package;
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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import java.net.DatagramPacket;
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import java.net.DatagramSocket;
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import java.net.InetAddress;
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public class Network_Programming_UDP_Client {
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public static void main (String[] args) throws Exception
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{
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BufferedReader inFromUser =
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new BufferedReader(new InputStreamReader(System.in));
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DatagramSocket clientSocket = new DatagramSocket();
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InetAddress IPAddress = InetAddress.getByName("localhost");
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byte[] sendData = new byte[1024];
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byte[] receiveData = new byte[1024];
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System.out.println("Let's enter a sentence to send to the server.\n");
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String sentence = inFromUser.readLine();
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sendData = sentence.getBytes();
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DatagramPacket sendPacket = new DatagramPacket(sendData, sendData.length, IPAddress, 9000);
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clientSocket.send(sendPacket);
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DatagramPacket receivePacket = new DatagramPacket(receiveData, receiveData.length);
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clientSocket.receive(receivePacket);
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String modifiedSentence = new String(receivePacket.getData());
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System.out.println("FROM SERVER:" + modifiedSentence);
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clientSocket.close();
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}
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}
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package com.example.hello_world_package;
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import java.net.*;
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public class Network_Programming_UDP_Server
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{
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public static void main(String args[]) throws Exception
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{
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DatagramSocket serverSocket = new DatagramSocket(9000);
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byte[] receiveData = new byte[1024];
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byte[] sendData = new byte[1024];
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while(true)
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{
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DatagramPacket receivePacket = new DatagramPacket(receiveData, receiveData.length);
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serverSocket.receive(receivePacket);
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String sentence = new String( receivePacket.getData());
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System.out.println("Following data received from the client: " + sentence);
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System.out.println("\nLet's convert the received sentence into UpperCase");
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InetAddress IPAddress = receivePacket.getAddress();
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int port = receivePacket.getPort();
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String capitalizedSentence = sentence.toUpperCase();
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sendData = capitalizedSentence.getBytes();
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DatagramPacket sendPacket =
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new DatagramPacket(sendData, sendData.length, IPAddress, port);
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serverSocket.send(sendPacket);
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}
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}
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}

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