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LinkedIn Learning

Kotlin Essential Training

via LinkedIn Learning

Overview

Get up and running with Kotlin. This course provides a comprehensive overview of what developers need to create command-line programs using the Kotlin programming language.

Kotlin, the powerful programming language from JetBrains, offers null safety, concise syntax, and 100% Java compatibility. Plus, it's fully supported by Google for Android development. If you're looking to get up and running with this popular language, then this course is for you. Join instructor Troy Miles as he provides a comprehensive overview of what developers need to create command-line programs using the Kotlin programming language. Troy starts by covering the basics: data types and variables, how statements differ from expressions, and what the different types of expressions are. He then dives into all of the language's essential features, from functions and classes to coroutines, as well as how to effectively debug your Kotlin code.

Syllabus

Introduction
  • Welcome
  • What you should know
1. Kotlin Development Preparations
  • Intellij IDEA installation and quick start guide
2. Data Types
  • Numeric data types
  • Mutable and immutable variables
  • Boolean and char data types
  • String tricks and traps
3. Control Flow
  • How statements differ from expressions
  • The if expression
  • The when expression
  • Loops with when expressions
  • Nulls and smart casting
  • Challenge: Replace an if expression with a when
  • Solution: Replace an if expression with a when
4. Collections and Sequences
  • When to use arrays
  • When to use lists
  • Sets best practices
  • How to use maps as dictionaries
  • Use collection operations
  • Sequences used in asynchronous data
  • Challenge: Remove duplicates from a list
  • Solution: Remove duplicates from a list
5. Input, Output, and Files
  • Command-line arguments
  • Get user input
  • Read and write file data
  • Challenge: Create and filter a list from a text file
  • Solution: Create and filter a list from a text file
6. Functions
  • Functions
  • Lambda functions
  • Anonymous functions
  • Local functions
  • Challenge: Pass a function to another function
  • Solution: Pass a function to another function
7. Classes, Objects, and Interfaces
  • Kotlin classes
  • Constructors and init block
  • The beauty of data classes
  • Class composition with interfaces
  • Companion objects
  • Challenge: Count instances of a class
  • Solution: Count instances of a class
8. Debug Your Kotlin Code
  • Set unconditional and conditional breakpoints
  • Watch variables and change their values
9. Harness the Power of Coroutines
  • The need for coroutines
  • How to handle canceled and timed-out tasks
  • Challenge: Read a file in the background
  • Solution: Read a file in the background
Conclusion
  • Next steps

Taught by

Troy Miles

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