NTA-NET (UGC-NET) Computer Science & Applications (87) Software Engineering-Software Design Study Material (Page 18 of 20)
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Patterns: Types of Design Patterns: Creational
Types of Design Patterns: Creational
These design patterns are all about class instantiation or object creation. These patterns can be further categorized into Class-creational patterns and object-creational patterns. While class-creation patterns use inheritance effectively in the instantiation process, object-creation patterns use delegation effectively to get the job done.
While dealing wit…
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Patterns: Types of Design Patterns: Singleton, Object Pool, Dependency Injection, Lazy Initialization, Multiton, Resource Acquisition is Initialization (RAII)
Singleton
It ensures that a class has only one instance, and provides a global point of access to it. The Singleton pattern is named after the singleton set, which is defined to be a set containing one element. This class provides a way to access its only object which can be accessed directly without need to instantiate the object of the class.
It is…
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