Feature/java15 jep373 datagram reimplementation

src/main/java/org/javademos/init/Java15.java

@@ -7,6 +7,7 @@
 import org.javademos.java15.jep360.SealedClassesDemo;
 import org.javademos.java15.jep371.HiddenClassesDemo;
 import org.javademos.java15.jep372.NashornRemovalDemo;
+import org.javademos.java15.jep373.DatagramSocketDemo15;
 import org.javademos.java15.jep375.InstanceofPatternMatchingSecondPreview;
 import org.javademos.java15.jep381.SolarisSparcRemovalDemo;
 import org.javademos.java15.jep383.ForeignMemoryAccessDemo;
@@ -29,6 +30,8 @@ public static ArrayList<IDemo> getDemos() {
         java15DemoPool.add(new HiddenClassesDemo());
         // JEP 372
         java15DemoPool.add(new NashornRemovalDemo());
+        // JEP 373
+        java15DemoPool.add(new DatagramSocketDemo15());
         // JEP 375
         java15DemoPool.add(new InstanceofPatternMatchingSecondPreview());
         // JEP 381

src/main/java/org/javademos/java15/jep373/DatagramSocketDemo15.java

@@ -0,0 +1,39 @@
+package org.javademos.java15.jep373;
+
+import org.javademos.commons.IDemo;
+import java.net.DatagramPacket;
+import java.net.DatagramSocket;
+import java.net.InetAddress;
+
+/// Demo for JDK 15 feature JEP 373 - Reimplement the Legacy DatagramSocket API.
+///
+/// This JEP modernized the implementation of the legacy DatagramSocket
+/// and DatagramSocketImpl APIs without changing their behavior.
+/// The reimplementation uses java.nio infrastructure under the hood,
+/// improving maintainability and performance.
+///
+/// JEP link:
+/// - [JEP 373 - Reimplement the Legacy DatagramSocket API](https://openjdk.org/jeps/373)
+///
+///
+/// @author sayiamarora
+public class DatagramSocketDemo15 implements IDemo {
+
+    @Override
+    public void demo() {
+        info(373);
+
+        try (DatagramSocket socket = new DatagramSocket()) {
+            String message = "Hello from JEP 373!";
+            byte[] buffer = message.getBytes();
+
+            InetAddress address = InetAddress.getLocalHost();
+            DatagramPacket packet = new DatagramPacket(buffer, buffer.length, address, 9999);
+            socket.send(packet);
+
+            System.out.println("Datagram sent successfully using reimplemented API!");
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}

src/main/resources/JDK15Info.json

@@ -31,6 +31,14 @@
     "link": false,
     "code": false
   },
+  {
+  "jep": 373,
+  "jdk": 15,
+  "name": "JEP 373 - Reimplement the Legacy DatagramSocket API",
+  "dscr": "Modern reimplementation of DatagramSocket and DatagramSocketImpl using java.nio for improved maintainability and performance.",
+  "link": false,
+  "code": true
+},
   {
     "jep": 375,
     "jdk": 15,