Overview
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Learn the basics of Kotlin—a concise, easy-to-use programming language from JetBrains—and explore its interoperability with Java.
Syllabus
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Introduction
- Welcome
- What you should know
- How to use the exercise files
- Why a new JVM language?
- Online
- IntelliJ IDEA
- Set up a Kotlin programming environment
- 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
- 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
- Use Java from Kotlin
- Use Kotlin from Java
- 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
- 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
- Next steps
