Merge remote-tracking branch 'upstream/master'

core-java-9/README.md

@@ -26,3 +26,4 @@
 - [Initialize a HashMap in Java](https://www.baeldung.com/java-initialize-hashmap)
 - [Java 9 Platform Logging API](https://www.baeldung.com/java-9-logging-api)
 - [Guide to java.lang.Process API](https://www.baeldung.com/java-process-api)
+- [Immutable Set in Java](https://www.baeldung.com/java-immutable-set)

core-java-9/compile-aot.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+cd src/main/java
+javac com/baeldung/java9/aot/JaotCompilation.java
+jaotc --output jaotCompilation.so com/baeldung/java9/aot/JaotCompilation.class
+

core-java-9/run-aot.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+cd src/main/java
+java -XX:AOTLibrary=./jaotCompilation.so com/baeldung/java9/aot/JaotCompilation

core-java-9/src/main/java/com/baeldung/java9/aot/JaotCompilation.java

@@ -0,0 +1,12 @@
+package com.baeldung.java9.aot;
+
+public class JaotCompilation {
+
+    public static void main(String[] argv) {
+        System.out.println(message());
+    }
+
+    public static String message() {
+        return "The JAOT compiler says 'Hello'";
+    }
+}