I am glad to announce about “Introduction to JAAS” new course available for free at www.abelski.com. The JavaTM Authentication and Authorization Service (JAAS) is used to authenticate the user (reliably and securely determine who is currently using the code) and to authorize him (ensure the user has the required permission). This course overviews the authorization and the authentication possibilities this API provides.
The visitor design pattern allows us to add operations to objects that already exist without modifying their classes and without extending them.
FED stands for Front End Development. It is one of the hottest topics these days. The academic FED course I deliver focuses mostly on the more complex topics.
Unlike design patterns, anti patterns just seem to be a solution. However, they are not a solution and they cause additional costs.
The use of virtual threads can assist us with improving the performance of our code. Learn how to use virtual threads effectively.
The Functional programming paradigm treats computation as the evaluation of mathematical functions and avoids changing state and mutable data.
The programming paradigm defines the way in which programs are written, organized, and executed.
The use of MongoDB involves with various cases in which we can overcome performance issues by implementing specific design patterns.
Learn how to define record classes in Java, and when to use record classes in your code. Stay up to date with the new Java features.
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