What is the design pattern?
What is the use of such a class?
Why singleton beans are not thread safe?
Are singletons bad?
Can we inherit singleton class?
Give me example of chain of responsibility design pattern?
What is the difference between proxy and adapter?
What is singleton and factory pattern?
What is the builder pattern?
What is lexi design pattern?
What is the factory pattern in the design pattern?
Is singleton an anti pattern?
What are the most commonly used design patterns?
What is the creational design pattern?
What is the prototype design pattern?