Objective C related Questions on protocols, interafaces and programming
Junior Ios Developer Interview Questions
6,388 junior ios developer interview questions shared by candidates
Write Clean and Readable Code:
1. Threading related question. 2. Memory Management
They asked detailed questions about implementing MVVM architecture in iOS, along with how to handle real-time updates using WebSockets. The discussion focused on structuring code for maintainability, managing asynchronous data flow, and addressing challenges like thread safety, background task handling (e.g., caching, threading), and memory management best practices.
What is ARC?
They focused a lot on TDD and some architectural decisions.
Experiencia, que es lo que ya pone en el CV
How do you rate yourself in Core Data Abstraction in Objective C is possible or not: Yes NsObject is an abstract class: I was confused about this answer because you can override the methods declared/defined in NSObject. Nsobject is root class: Yes He asked me is there any superclass of NSObject: No touchesbegan method is declared in which class: UIResponder UIbutton hierarchy weak and assign difference PerformSelector and normal calling the methods
Home assignment was a pretty straightforward task of implementing an image caching sdk, classic mem + disk persistency, TTL. example app -retrieving urls from a json file and showing the images in a list.
None as i had already been to some interviews but still memory life cycle,Push notifications and explaining projects in your CV.
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