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What is design pattern and there types?
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Answer / rsn ben
Design patterns are patterns used to manage/form/construct 'objects'.According to Gang of Four book,originally 23 design patterns are there.
Examples:
Singleton,Decorator,Template method.
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Answer / s swain
A design pattern is a well described solution to a common software problem.
Some of the benefits of using design patterns are:
Design Patterns are already defined and provides industry standard approach to solve a recurring problem, so it saves time Using design patterns promotes reusability It helps in reducing total cost of ownership (TCO) of the software product.it makes our code easy to understand and debug. It leads to faster development
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