package util; import java.time.LocalTime; import java.time.format.DateTimeFormatter; public abstract class MyLogger { private static final DateTimeFormatter formatter = DateTimeFormatter.ofPattern("HH:mm:ss.SSS"); public static void log(Object obj){ final String time = LocalTime.now().format(formatter); System.out.printf("%s [%9s] %s\n", time, Thread.currentThread().getName(), obj); } }