Understanding about Log4j 2.x framework

In Java web applications, logging is an important feature that we need to understand and use frequently. Because logging will help us easy to detect bug like at runtime, we do not use debug mode, so, defenitely, we have to use logging functionality to play. [Read More]

Abstract Factory Pattern

In Creational pattern, abstract factory pattern is at higher lever than the other pattern such as factory method pattern, … It is always used in our system, because it makes our system consistency, and loose coupling between our system and concrete something. [Read More]