William O'Neil & Co Android Developer Interview Questions and Answers

The number of working days and working hours for a Software Developer.

• Software Developers typically work 5 days a week.

• The standard working hours for Software Developers are 8 hours per day.

• However, the actual number of working days and hours may vary depending on the company and project requirements.

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