Apple iOS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apple iOS Interview Questions

Questions Answers Views Company eMail

What is category and class extension?

861

What are the different delete rules that a relationship can have?

737

what are fetched properties? How do you create a fetched property?

800

What is nspersistentstore? Is it thread safe?

935

What is a fault?

807

Is core data is thread safe?

825

What is messaging? How does the runtime handle message passing?

757

What are the different delete rules that a relationship can have? Which one takes ownership?

794

What is the purpose of reuseidentifier?

842

What is dependency management tools?

788

Why do all model object attributes get marked with @dynamic and not synthesised?

889

In a single model, can I have few entities in one sqlite db file and remaining in another sqlite db file?

873

What is nsmanagedobjectcontext? What are the different concurrency types? Explain them.

753

What are transient properties?

832

Why do all model object attributes get marked with @dynamic and not synthesised? What does @dynamic mean?

752

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Un-Answered Questions { Apple iOS }

What are ibeacons in ios? : IOS Architect

887

Describe @objc inference?

819

Explain ~/documents, ~/library, ~/tmp. What directory is ~ on ios?

764

Can viewdidload be called multiple times?

795

Explain what is iphone architecture?

828

What is the meaning of 'strong'keyword?

865

What is an iphone app?

862

What is the difference between android and ios?

976

What is the current iphone ios?

850

What is meaning of 'synthesize' keyword ?

859

What is atomic and non atomic in ios?

825

What are the application lifecycle in ios?

826

What is meaning of 'atomic' keyword?

852

How to access the spotlight search feature now?

782

How you will store user info (username, password or token) securely in ios?

802

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