Added JEP 356: Enhanced Pseudo-Random Number Generators demo referenc…

src/main/java/org/javademos/init/Java17.java

@@ -5,6 +5,7 @@
 import org.javademos.commons.IDemo;
 import org.javademos.java17.extras.J17DeprecatedDemo;
 import org.javademos.java17.jep306.RestoreAlwaysStrictFloatingPointSemanticsDemo;
+import org.javademos.java17.jep356.RandomGenerators17;
 import org.javademos.java17.jep382.MacosRenderingPipelineDemo;
 import org.javademos.java17.jep391.MacOsAarch64PortDemo;
 import org.javademos.java17.jep403.StronglyEncapsulateInternalsDemo;
@@ -34,6 +35,8 @@ public static ArrayList<IDemo> getDemos() {
         java17DemoPool.add(new J17DeprecatedDemo());
         // JEP 306
         java17DemoPool.add(new RestoreAlwaysStrictFloatingPointSemanticsDemo());
+        // JEP 356
+        java17DemoPool.add(new RandomGenerators17());       
         // JEP 382  
         java17DemoPool.add(new MacosRenderingPipelineDemo());
         // JEP 391

src/main/java/org/javademos/java17/jep356/RandomGenerators17.java

@@ -0,0 +1,36 @@
+package org.javademos.java17.jep356;
+
+import org.javademos.commons.IDemo;
+import java.util.random.RandomGenerator;
+import java.util.random.RandomGeneratorFactory;
+import java.util.random.RandomGenerator.JumpableGenerator;
+
+/// Demo for JDK 17 feature JEP 356 - Enhanced Pseudo-Random Number Generators.
+///
+/// Introduced new interfaces to improve random number generation:
+/// - `RandomGenerator` and `RandomGeneratorFactory`
+/// - Support for LXM family generators (`L32X64Mix`, `L64X128Mix`)
+/// - Added streamable and jumpable generators for parallel computation.
+///
+/// JEP link:
+/// - [JEP 356 - Enhanced Pseudo-Random Number Generators](https://openjdk.org/jeps/356)
+///
+/// Further reading:
+/// - [Baeldung: Enhanced Pseudo-Random Number Generators in Java 17](https://www.baeldung.com/java-17-random-number-generators)
+///
+/// @author alois.seckar@gmail.com
+public class RandomGenerators17 implements IDemo {
+
+    @Override
+    public void demo() {
+        info(356);
+
+        RandomGenerator generator = RandomGenerator.getDefault();
+        System.out.println("Default Random Int: " + generator.nextInt());
+        System.out.println("Default Random Double: " + generator.nextDouble());
+
+        JumpableGenerator jumpable =
+                (JumpableGenerator) RandomGeneratorFactory.of("Xoshiro256PlusPlus").create();
+        System.out.println("Jumpable Random Int: " + jumpable.nextInt());
+    }
+}

src/main/resources/JDK17Info.json

@@ -7,6 +7,11 @@
     "link": false,
     "code": true
   },
+  {
+  "number": 356,
+  "name": "Enhanced Pseudo-Random Number Generators",
+  "description": "New interfaces and implementations in java.util.random for flexible and stream-based random number generation."
+},
   {
     "jep": 382,
     "jdk": 17,