Answer Posted / prits

Advantages:
A design pattern is:
•
a standard solution to a common programming problem
•
a technique for making code more flexible by making it meet
certain criteria
•
a design or implementation structure that achieves a
particular purpose
•
a high-level programming idiom
•
shorthand for describing certain aspects of program
organization
•
connections among program components
•
the shape of an object diagram or object model

DisAdvantages:
Design patterns may increase or decrease the
understandability of a design or implementation. They can
decrease understandability by adding indirection or
increasing the amount of code.

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