int errorCode = 500; logger.error("An error occurred with error code: {}", errorCode); logger.addHandler(new FileHandler("log.txt")); import com.logging.utils.Logger; import com.logging.utils.LoggerFactory; public class Main { private static final Logger logger = LoggerFactory.getLogger(Main.class); public static void main(String[] args) { try { logger.debug("Debug log statement"); logger.info("Info log statement"); logger.warn("Warning log statement"); logger.error("Error log statement"); } catch (Exception e) { logger.error("An error occurred", e); } } } properties handlers=java.util.logging.FileHandler java.util.logging.FileHandler.pattern = log.txt java.util.logging.FileHandler.append = false java.util.logging.FileHandler.level = ALL com.logging.utils.level = INFO


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