Mobile OS Interview Questions
Questions Answers Views Company eMail

Mention what are the features of Swift Programming?

1 1533

Mention what is the difference between Swift and ‘Objective-C’ language?

511

Mention what are the type of integers does Swift have?

1 1007




Mention what is the Floating point numbers and what are the types of floating number in Swift?

1 748

Explain how multiple line comment can be written in swift?

1 812

What is de-initializer and how it is written in Swift?

1 1105

Mention what are the collection types available in Swift?

1 1214

List out what are the control transfer statements used in Swift?

1 1019

Explain what is optional chaining?

1 900

How base-class is defined in Swift?

1 1424

Explain what Lazy stored properties is and when it is useful?

1 1419

Mention what is the characteristics of Switch in Swift?

1 1204

What is difference between 'let' and 'var' declaration ?

1 947

What is Initialization ?

1 887

In Swift How to connect UI under Swift Environment ?

1 926







Un-Answered Questions { Mobile OS }

Explain Apple push notification

466


Explain about AFNetworking. What is the base class used in AFNetworking library

1292


What is the correct way to check if a Compass sensor is present on the system? Explain your answer.

866


Describe the SmsManager class in android.

496


How to fix tableviewcell dequeue issue ?

490






Why is Ubuntu the most popular operating system for cloud? 

474


How will you implement sets and the intersection operation? Complexity?

428


Explain how an autorelease pool works at the runtime level

1455


What happens when you invoke a method on a nil pointer?

1306


Explain application states

382


Explain @synchronized ,@dynamic

735


what is preferences

623


Describe a real time scenario where android can be used

733


Explain which all events will perform an ios application in background

626


Explain what is the stack of autorelease pools. How autorelease pool work under the hood?

482