Logger logger = Logger.getLogger(MyClass.class.getName()); logger.info("This is an information message."); logger.warn("This is a warning message."); for (int i = 0; i < 1000; i++) { logger.debug("Iteration: " + i); } if (logger.isDebugEnabled()) { logger.debug("This is a debug message with expensive string concatenation: " + expensiveOperation()); } logging.pattern.console = "%d{yyyy-MM-dd HH:mm:ss} %-5p [%c] %m%n" java.util.logging.ConsoleHandler.autoFlush = false java.util.logging.ConsoleHandler.bufferSize = 8192 java.util.logging.ConsoleHandler.level = ALL java.util.logging.ConsoleHandler.formatter = org.jboss.logmanager.handlers.PatternFormatter java.util.logging.ConsoleHandler.formatter.properties = logging.properties java.util.logging.ConsoleHandler.target = SYSTEM_OUT