Frequently asked Kotlin Android Interview Questions

The number of mobile app developers across the globe is expected to increase from 12 million to 14 million by 2020. According to Evans Data Corporation, there are around 6 million Android developers in the world. Android is the most commonly used operating system hence justifying the dominance of Android development in the Mobile Development market. 

If you want to become an Android developer, then knowing Kotlin is a prerequisite. Kotlin is an open-source, cross-platform programming language under the Apache 2.0 license. It is one of the preferred languages for Android app development, and a lot of developers have switched to Kotlin because it's easy to work with. Kotlin programming language uses fewer codes as compared to Java which is one of the highlighting reasons why developers prefer Kotlin. As per reports, usage of Kotlin has increased by 182% between 2018 and 2019. 

As per Indeed, the Average Annual Salary of Android Application Developer is around $97,000, and that of Senior Android Developer is $107,000. Application development is considered as one of the top 25 fastest growing professions in the US.  

If you are looking to start your career in the Android Development domain, we can help you crack some job interviews. 

Check out  - Cracking Kotlin Interview

This book will help you understand the core and advanced concepts in Kotlin. It will also provide answers to some frequently asked questions based on Kotlin. 

These are some important topics that are covered in the book.

  • Introduction to OOP, Java, Kotlin
  • Kotlin Architecture, Token, Input, Operator, Array, Function
  • String Operations, Conditional Statements, Jumping Statement
  • Looping / Control Flow / Iteration
  • Null Safety, Kotlin Lambda Functions and Exception Handling
  • Constructor, Inheritance, Abstract Keyword, Polymorphism
  • Collection, Coroutines, Generics
  • Regex, Interoperability with Java, Android

By reading this book, the readers can familiarize themselves with the Kotlin’s most essential features and aspects. 

Fun Fact: 3739 new apps added daily on PlayStore 

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