import com.logging.utils.Logger; import com.logging.utils.LogLevel; import com.logging.utils.LogPattern; import com.logging.utils.LogAppender; public class MyApplication { private static final Logger LOGGER = Logger.getLogger(MyApplication.class); public static void main(String[] args) { LOGGER.setLevel(LogLevel.DEBUG); LOGGER.setPattern(LogPattern.DEFAULT_PATTERN); LogAppender consoleAppender = new ConsoleAppender(); LOGGER.addAppender(consoleAppender); LOGGER.debug("Debug message"); LOGGER.info("Info message"); LOGGER.warn("Warning message"); LOGGER.error("Error message"); } }