Showing posts with label Log4j. Show all posts
Showing posts with label Log4j. Show all posts
Friday, 1 May 2020
Saturday, 11 August 2018
Basics of Log4j
Log4j is a Java library that specializes in logging.
At its most basic level, you can think of it as a replacement for System.out.println's in your code. Why is it better than System.out.println's? The reasons are numerous.
To begin with, System.out.println outputs to standard output, which typically is a console window. The output from Log4j can go to the console, but it can also go to an email server, a database table, a log file, or various other destinations.
Another great benefit of Log4j is that different levels of logging can be set. The levels are hierarchical and are as follows: TRACE, DEBUG, INFO, WARN, ERROR,
Ref: http://www.avajava.com/tutorials/lessons/what-is-log4j-and-how-do-i-use-it.html
At its most basic level, you can think of it as a replacement for System.out.println's in your code. Why is it better than System.out.println's? The reasons are numerous.
To begin with, System.out.println outputs to standard output, which typically is a console window. The output from Log4j can go to the console, but it can also go to an email server, a database table, a log file, or various other destinations.
Another great benefit of Log4j is that different levels of logging can be set. The levels are hierarchical and are as follows: TRACE, DEBUG, INFO, WARN, ERROR,
Ref: http://www.avajava.com/tutorials/lessons/what-is-log4j-and-how-do-i-use-it.html
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