Great Event Of Opened Upward Unopen Pattern Regulation Inward Java
Great Example of Open Closed Design Principle
I am big fan of pattern pattern article in addition to honey to read articles on pattern patterns in addition to lately wrote nearly decorator pattern pattern inwards Java, Observer pattern, static mill pattern in addition to nearly Singleton pattern. Today I come upward across this skilful article on opened upward shut pattern pattern, what I similar most is at that topographic point instance in addition to clear agency of explanation, showtime instance is truthful value in addition to it volition attention yous sympathise opened upward shut regulation real apace in addition to minute instance is equally good non bad. I convey equally good shared many questions on pattern patterns in addition to Object oriented pattern principles similar 10 Java singleton interview questions , which discusses to a greater extent than or less of the most mutual questions on Singleton pattern similar how to write Thread-Safe Singleton shape , should nosotros usage Enum equally Singleton or non etc in addition to xx design pattern interview questions, if yous are preparing for senior marking Java interview, where questions from pattern is expected, its worth looking for quick review.
10 OOPS in addition to SOLID pattern principles Java programmer should know. In Simple linguistic communication Open shut pattern principles says that novel functionality should live on added yesteryear introducing novel classes, methods or fields instead of modifying already tried in addition to tested code. One of the agency to arrive at this is Inheritance where shape is extended to innovate novel functionality on move yesteryear of inherited basic features.
Benefit or Open Closed Design Principle:
1) Application volition live on to a greater extent than robust because nosotros are non changing already tested class.
2) Flexible because nosotros tin seat notice easily conform novel requirements.
How to brand code extensible
Basic regulation of making your code extensible in addition to next opened upward shut regulation is providing object to class at run fourth dimension in addition to making usage of polymorphism to invoke extended functionality.
If functionality is difficult Coded than it wouldn’t live on extensible exactly if yous write interface in addition to render implementation of that interface at run fourth dimension yous teach into extensible.
Further Learning
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