Ciklum Senior IOS Developer Interview Questions and Answers

1. Atomic properties ensure that the value is always fully retrieved or set, while nonatomic properties do not guarantee this. 2. Memory management in Swift is handled automatically using Automatic Reference Counting (ARC). 3. Classes are reference types, while structs are value types in Swift. 4. Factorial pattern is a design pattern used to calculate the factorial of a number.

• Atomic properties ensure thread safety by...read more

Debouncing technique in Swift is used to limit the rate at which a function is called, preventing it from being called multiple times in a short period.

• Debouncing involves setting a time threshold and only allowing the function to be called after that threshold has passed without any new calls.

• It is commonly used in scenarios like search bars or buttons to prevent rapid firing of events.

• Example: Implementing a search f...read more

Classes are reference types, structs are value types. GCD is low-level API, Operation queue is high-level API for concurrency.

• Classes are reference types, stored on the heap. Structs are value types, stored on the stack.

• GCD is a low-level API for managing concurrent operations. Operation queue is a high-level API built on top of GCD.

• GCD provides a simple and efficient API for dispatching tasks to a queue. Operation que...read more

Replace a string in an array at a given index

• Create an array of strings

• Use the index provided to replace the string at that index

• Ensure the index is within the bounds of the array

My expected salary range is $100,000 - $120,000 per year based on my experience and skills.

• Based on my 5+ years of experience in IOS development, I am looking for a competitive salary in the range of $100,000 - $120,000 per year.

• I have a strong track record of delivering high-quality IOS applications and believe my skills warrant a salary in this range.

• I am open to negotiation based on the overall compensation package