import java.util.logging.*; private static final Logger logger = Logger.getLogger(YourClass.class.getName()); logger.setLevel(Level.INFO); Handler consoleHandler = new ConsoleHandler(); consoleHandler.setLevel(Level.ALL); logger.addHandler(consoleHandler); Formatter formatter = new SimpleFormatter(); consoleHandler.setFormatter(formatter); logger.info("This is an information log message."); logger.warning("This is a warning log message."); logger.severe("This is a severe log message.");