questions on swift and objective c
Lead Ios Engineer Interview Questions
7,863 lead ios engineer interview questions shared by candidates
1. Intro about yourself 2. Generic 3. Protocols 4. Difference between struct & classes when to use struct and class 5. Protocol oriented programming 6. Storyboard or creating UIView programatically in large project 7. Why multiple inheritance not allowed in swift 8. variadic parameter - 3 dots 9. GCD 10. Can we use protocols in Struct 11. Optional protocols 12. CI/CD pipeline 13. Swift vs obj c 14. Autorelease pool 15. Size Classes 16. Strong and retain 17. Explain Protocol Vs Class 18. convenience initializer 19. advantages of inheritance 20. Property 21. concurrency
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General iOS Swift questions about Swift MVC MVVM
three engineers asked me various questions ( each had handful of questions)
- Recruiter Screening: - General questions about experience & why Duolingo. - Sr. Engineer Tech Screening - Shared playground project and asked to implement problem-related to encrypt & decrypt => string matching.
Create a Word Search application
Code reading. They will give a code and ask us to explain what the code does.
Was asked to walk through an app feature actively being developed in Calm - how would you design the classes for the feature? and talk through how you would implement each UI screen for the feature given the designs.
Q: How do I go about increasing my knowledge in iOS field?
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