Infinite Computer Solutions Interview Questions and Answers for Freshers

MVC focuses on separating data, presentation, and logic, while MVVM adds a ViewModel layer to enhance data binding and separation of concerns.

• MVC: Model-View-Controller pattern separates data, presentation, and logic. Views directly interact with Models and Controllers.

• MVVM: Model-View-ViewModel pattern adds a ViewModel layer between the View and Model to enhance data binding and separation of concerns.

• MVC is more traditional and widely used, while MVVM is gaining popularity ...read more

Key principles of memory management in iOS app development include reference counting, autorelease pools, and avoiding retain cycles.

• Use ARC (Automatic Reference Counting) to manage memory automatically

• Avoid retain cycles by using weak references or unowned references

• Use autorelease pools to manage memory for temporary objects

Classes are reference types, while structs are value types. Classes are used for complex data structures, inheritance, and reference counting. Structs are used for simple data types and performance optimization.

• Classes are reference types, stored on the heap, and support inheritance and reference counting. Use classes for complex data structures like objects, where identity matters.

• Structs are value types, stored on the stack, and do not support inheritance. Use structs for s...read more

Integrating and maintaining third-party libraries involves adding dependencies, managing versions, and updating as needed.

• Use dependency management tools like CocoaPods or Carthage to easily add and update libraries

• Regularly check for updates and security patches for third-party libraries

• Ensure compatibility with existing codebase by testing thoroughly after integrating new libraries

Core Animation is a powerful framework in iOS for creating animations and visual effects.

• Core Animation is a high-performance framework for animating views and graphics on iOS devices.

• It allows for smooth animations, transitions, and effects without compromising performance.

• Core Animation uses layers to manage the visual content of your app, providing hardware-accelerated rendering.

• You can create animations using keyframe animations, implicit animations, and transitions.

• Examp...read more