August 2018
Intermediate to advanced
524 pages
14h 45m
English
Content preview from Java Projects - Second Edition
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Log frameworks
The most widely used logging framework is Apachelog4j. It currently has a second version that is a total rewrite of the first version. It is very versatile and has many appenders and formatters. The configuration of log4j can be in XML or the properties file format, and it can also be configured through API.
The author of log4j version 1 created a new logging framework—slf4j. This logging library is essentially a façade that can be used together with any other logging framework. Thus, when you use slf4j in a library you develop, and your code is added to a program as a dependency that uses a different logging framework, it is easy to configure slf4j to send the logs to the loggers of the other framework. Thus, the logs will ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.