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)); } }