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.

852

What is “defer”?

850

What are ui elements?

806

What is the difference between array and nsarray?

915

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?

883

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

789

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

792

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Un-Answered Questions { Apple iOS Swift }

What is difference between class and struct swift?

865

Is swift faster than java?

766

What are the different floating point numbers in swift?

864

Is swift dynamic or static?

764

Is swift easier than python?

888

Why do we use swift?

807

What is unowned in swift?

854

How do you make a swift bridging header?

814

What is instance variable in swift?

786

What do you do when you realize that your app is prone to crashing?

875

Can you make a property optional?

777

What is swiftnet?

835

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

789

How to post an http request with a json body in swift?

896

What is difference between weak and strong in swift?

856

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