Raise Financial Services Senior Software QA Engineer Interview Questions and Answers for Experienced

Solid Principles are a set of design principles for writing maintainable and scalable software.

• Solid Principles consist of five principles: Single Responsibility Principle, Open/Closed Principle, Liskov Substitution Principle, Interface Segregation Principle, and Dependency Inversion Principle.

• Single Responsibility Principle states that a class should have only one reason to change.

• Open/Closed Principle states that sof...read more

Abstraction focuses on hiding implementation details, while interface defines a contract for classes to follow.

• Abstraction allows us to focus on the essential features of an object, while hiding unnecessary details.

• Interface defines a set of methods that a class must implement, providing a contract for how the class should behave.

• Abstraction is achieved through abstract classes and interfaces in object-oriented program...read more