Visit the Oracle Java Downloads page. Select either the "Java 8" or "Java 18" tab depending on your needs.
System.out.printf("[%s] Task completed in %s%n", LocalDateTime.now().format(LOG_FORMATTER), formatDuration(Duration.between(start, end).toMillis())); catch (Exception e) System.err.printf("[%s] Task failed: %s%n", LocalDateTime.now().format(LOG_FORMATTER), e.getMessage()); java runtime 18 u241 work
Look for the exact build number. If it says “18.0.1+241,” treat that as a correct, modern version—not “18 u241.” Visit the Oracle Java Downloads page
java -XX:+UseG1GC -Xmx2g -jar myapp.jar
=== Java 18 Runtime Utilities Demo ===