import com.loggingutils.Logger; import com.loggingutils.LogLevel; Logger logger = new Logger("com.example.app"); logger.log(LogLevel.INFO, "This is an info message."); logger.log(LogLevel.ERROR, "An error occurred: " + ex.getMessage(), ex); com.example.app.level=INFO com.example.app.target=console com.example.app.file=/path/to/logs/app.log