Log4J is a logging library that helps us create log statements that are way more powerful than System.out.println("...").
- Log4J messages can be formatted with a timestamp, source, and many other things.
- The Log4J system is initialzed using a property file, which determines the destination, and formatting of the log messages.
- Log messages can be selectively turned on/off by modifying the property file.
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Note: This text was originally posted on my earlier blog at http://www.adaptivelearningonline.net
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