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

Apple iOS Swift Interview Questions

Questions Answers Views Company eMail

How to add an element into an array?

767

Explain some common features of protocols & superclasses.

857

What is optional chaining?

755

What is a guard statement?

781

Who calls the main function of our app during the app launch cycle?

829

What is the benefit of using guard statement in swift?

777

Explain some biggest changes in usernotifications.

796

What is “defer”?

791

What are ui elements?

750

What is the difference between array and nsarray?

852

What are the most important features of swift?

787

What are the different ways to pass data in swift?

751

What is the use of double question mark “??” In swift?

816

Where can we test the apple iphone apps if we don’t have an ios device?

728

What is a guard statement? What is the benefit of using guard statement in swift?

734

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Un-Answered Questions { Apple iOS Swift }

What is better swift or objective c?

742

What are the most important features of swift?

787

What mechanism does ios support for multi-threading?

719

How can you write a multiple line comment swift?

738

What is swift property?

766

Does apple use swift internally?

771

What is the characteristics of switch in swift?

732

Does swift have header files?

712

What is tuple? How to create a tuple in swift?

833

Does swift have a runtime?

775

What is strong in swift?

814

How can you make a property optional in swift?

763

What is tuple in swift?

745

How you define variables in swift?

854

What is selector swift?

770

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