iOS

Explain the difference between a method that is implemented with the same name and signature in a class and its overloading, and method overriding in inherited classes.

What is the default type of the Operation object?

What happens if you pass a nil value as the target object?

Can you explain how Automatic Reference Counting (ARC) works in Objective-C?

Junior — Middle

AvitoiviVK знакомства

What does the increment operation (++) mean in programming language?

What is recursive behavior?

What is object-oriented programming (OOP)?

Can synchronization (synchronized) be applied to a variable?

What methods are used to implement user interface layout in UIKit?

How can you implement the functionality of obtaining the index of the tapped column and changing the color of another column within ten columns and five blocks?

Tell me about the rollback mechanism in operations.

Do you use UIKit or SwiftUI in your work?

Where would you store protected user data?

How to implement multithreading using queues in iOS?

What are optionals in Swift?

Explain what a static string is in programming.

Junior — Middle

Разумные решения

How could I implement a navigation system in an application?

What is the difference between convention and designated initializers in Swift?

What is CocoaPods?

What is the difference between a simple class and an open class in Swift?