public class LoggerSample {
public static void main(String[] args) {
 Logger logger = Logger.getLogger(LoggerSample.class.getName());
 logger.setUseParentHandlers(false);
 SimpleFormatter formatter = new SimpleFormatter();
 ConsoleHandler handler = new ConsoleHandler();
 handler.setFormatter(formatter);
 logger.addHandler(handler);
 logger.info("This is an info message");
 logger.warning("This is a warning message");
 logger.severe("This is a severe message");
}

}