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?

826

Explain some common features of protocols & superclasses.

909

What is optional chaining?

815

What is a guard statement?

836

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

880

What is the benefit of using guard statement in swift?

837

Explain some biggest changes in usernotifications.

851

What is “defer”?

850

What are ui elements?

805

What is the difference between array and nsarray?

914

What are the most important features of swift?

844

What are the different ways to pass data in swift?

797

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

882

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

788

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

791

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Un-Answered Questions { Apple iOS Swift }

What is differences in swift 1.x, 2.x, 3.x, 4.x?

791

Is swift a functional language?

865

What is polymorphism in swift?

866

Explain deinitializer in swift programming language?

860

Is swift an oop?

750

What is a delegate in swift?

838

How do I add a header in swift?

747

How will you connect ui?

814

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

791

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

882

What is core data swift?

779

What is floating point number in swift? What are the different floating point numbers in swift?

810

What is the purpose of swift?

751

How can you write a multiple line comment swift?

790

What are the new feature in swift 4.0?

880

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