A software design pattern is a general, reusable solution to a commonly occurring problem within a given context in software design.
Explain Singleton Design Pattern?
Difference between Static Class & Singleton Class?
How does padlock work internally? Can we use any other object for padlock instead of Object?
How would you make a class Singleton when we run our application on multiple instances using Load Balancer?
Can I create a clone of Singleton class by calling its
Explain Factory Pattern?
Explain Abstract Factory Pattern? When should we use it?