JDK 25: added example of JEP 515

Author: wesleyegberto

java-25/ProfilingTest.java

@@ -0,0 +1,24 @@
+import java.util.*;
+import java.util.stream.*;
+
+/**
+ * Compile: `javac ProfilingTest.java`
+ * Test AOT cache with two-step:
+ * * Record mode: `java -XX:AOTMode=record -XX:AOTConfiguration=app.aotconf ProfilingTest`
+ * * Create mode: `java -XX:AOTMode=create -XX:AOTConfiguration=app.aotconf -XX:AOTCache=app.aot`
+ * * Run with AOT cache: `java -XX:AOTCache=app.aot ProfilingTest`
+ */
+public class ProfilingTest {
+static String greeting(int n) {
+var words = List.of("Hello", "" + n, "world!");
+return words.stream()
+.filter(w -> !w.contains("0"))
+.collect(Collectors.joining(", "));
+}
+
+public static void main(String... args) {
+for (int i = 0; i < 100_000; i++)
+greeting(i);
+System.out.println(greeting(0));
+}
+}