Education

It provides a flexible alternative to subclassing for extending functionality. We define an abstract Graphic class with a draw() method and add() and remove() methods that throw UnsupportedOperationException by default. The Circle class (leaf) extends Graphic and overrides the draw() method. The Adapter pattern converts the interface of a class into another interface that clients […]

Once the request is processed to the list, it is automatically transferred to the first handler available in the list which will process the request further. For example, we do not want to create multiple duplicated objects as it can lead to some serious issues like memory leaks and low-performance in the application. As a

Fortunately, there are plenty of ways to make friends when you work from home. The Covid-19 crisis has forced masses of people into work-from-home scenarios and just about every university student into a study-from-home experiment. Six months into the pandemic, it’s clear that virtual offices and classrooms have become the “new normal” for many of