April 2016
Intermediate to advanced
256 pages
4h 57m
English
Content preview from Apex Design PatternsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Inheritance hell
As we all understand the basic principles of OOPs, inheritance is one of the most used OOP principle. It is definitely very handy in the enterprise software design as it helps extend the existing functionalities and helps improve/enhance the system progressively.
But this benefit can become a bane when not handled properly. Normally, inheritance is used when we want to generalize a behavior/functionality and then extend it on an as-needed basis. In reality, sometimes the parent class becomes so bloated that all the child classes unnecessarily carry (or inherit) nonrelated attributes/functionalities. This is called inheritance hell.
Furthermore, because Apex doesn't allow multiple inheritance (using classes), inheritance hell further ...
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