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Senior Ios Engineer Interview Questions
2,083 senior ios engineer interview questions shared by candidates
What have you been working on lately?
Verbatim from the non-English engineer: "OS reads 4KB of data, the file can be 1KB but OS stores in 4K. It has this function: int read4K(buffer). Can you write function int read(buffer, int) that uses read4K(buffer) so apps can call it?"
How do you approach unit testing private methods in a codebase?
Add a feature from a provided Figma design, into a project on GitHub.
given an N-ary tree, print the boundary nodes in anti-clockwise order. • In a Binary Search Tree, find the value closest to a given double (recursively). • Implement a rate limiting API algorithm; extend the discussion into iOS-related implementation details. • System design: build a dating app like Tinder, focusing on scalability, user matching, and real-time performance.
Given a skeleton project, how would you implement a grid view with X behavior?
Interview mainly wanted to do a test project of a modified Fibonacci sequence algorithm.
Mutations and how it work with struct and class
When the application is in between apps or it still in background and not killed, what is the state of it called and what is the memory management at that stage and if it can execute code.
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