iOS interview experience fresher

Upasana | May 05, 2019 | 1 min read | 7 views

Commonly asked interview questions for iOS interview 0-3 years experience. OOPS concepts, algorithms, data structures, object-c and swift

What is a final class?
What is inheritance?
Restful vs stateful APIs, SOAP API.
Why do we use JSON instead of XML for APIs
what is a class? why do we add a class to program? can we work without classes.
what is the difference between a class and structure?
Difference between objective-c vs swift, which one should be used and why?
Difference between linked list and arrays? Which one should be used in a given scenario?
How can you find app crashes in production?
time & memory complexities of algorithms like sorting/searching. Deletion and insertion in an array, what is the time complexity in that case?
Difference between let and var? (constant and variable)
difference between optional and non-optional variables.
How will you handle exceptions in swift?
Why do we use SDWebImage?
How to use cocoa pods?