Kotlin for Java Developers

Description

In this course, you’ll learn:

• Kotlin as a better Java

• Setting up a Kotlin programming environment

• Val vs. var

• Understanding basic Kotlin programming concepts

• Object-oriented programming

• Using Java from Kotlin

• Using Kotlin from Java

• Annotations, reflection, and DSL construction

• Functional programming in Kotlin

Syllabus:

• Introduction
• Welcome
• What you should know
• How to use the exercise files
   

1. Kotlin as a Better Java

• Why a new JVM language?
   

2. Get Started with Kotlin

• Online
• IntelliJ IDEA
• Set up a Kotlin programming environment
   

3. Basic Kotlin Programming

• Val vs. var
• Type system
• Comments
• Control flow – if
• Control flow – when
• Control flow – loops
• Control flow – advanced loops
• Functions
• Packages
• Challenge: Implement fizz buzz
• Solution: Implement fizz buzz
   

4. Object-Oriented Programming

• Classes
• Objects
• Interfaces
• Generics
• Challenge: Create a function to return the smaller of two values
• Solution: Create a function to return the smaller of two values
   

5. Java Interop

• Use Java from Kotlin
• Use Kotlin from Java

 

6. Advanced Kotlin Features

• Operator overloading
• Annotations
• Reflection
• DSL construction
• Destructuring
• Challenge: Overload the plus and minus operators for a data class
• Solution: Overload the plus and minus operators for a data class
   

7. Functional Programming in Kotlin

• Functional programming
• Lambdas
• Closures
• Method chaining
• funKTionale library
• Composition
• Currying
• Partial application
• Memoization
• Challenge: Find the student with the shortest name
• Solution: Find the student with the shortest name

 

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