Posted On: Jan 06, 2021
The Singleton Design Pattern is a Creational pattern. The main objective of the singleton class is to create only one instance of a class and to provide only one global access point to that object. For instance, in Java, the Calendar class uses its own getInstance()method to get the object to be used.
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A process is an active program under execution. Processes require more time for context switching as they are heavier. A program becomes a process at execution time. A process can create other process...