Unit 2 Pathway 1: Kotlin fundamentals

• Kotlin fundamentals
• Write conditionals in Kotlin
  • Before you begin
    • Prerequisites
    • What you’ll learn
    • What you’ll need
  • Use if/else statements to express conditions
  • Use a when statement for multiple branches
  • Use if/else and when as expressions
  • Conclusion
• Use nullability in Kotlin
  • Before you begin
    • Prerequisites
    • What you’ll learn
    • What you’ll need
  • Use nullable variables
  • Handle nullable variables
    • Use the ?. safe call operator
    • Use the !! not-null assertion operator
    • Use the if/else conditionals
  • Conclusion
• Use classes and objects in Kotlin
  • Before you begin
    • Prerequisites
    • What you’ll learn
    • What you’ll build
    • What you’ll need
  • Define a class
  • Create an instance of a class
  • Define class methods
  • Define class properties
  • Define a constructor
    • Default constructor
    • Parameterized constructor
  • Implement a relationship between classes
    • Relationships between classes
    • Override superclass methods from subclasses
    • Reuse superclass code in subclasses with the super keyword
    • Override superclass properties from subclasses
  • Visibility modifiers
    • Visibility modifier for properties
    • Visibility modifiers for methods
    • Visibility modifiers for constructors
    • Visibility modifiers for classes
    • Specify appropriate visibility modifiers
  • Define property delegates
  • Test the solution
  • Try this challenge
  • Conclusion
• Use function types and lambda expressions in Kotlin
  • Introduction
    • Prerequisites
    • What you’ll learn
    • What you’ll need
  • Eye Power
  • Store a function in a variable
  • Use functions as a data type
    • Use a function as a return type
    • Pass a function to another function as an argument
    • Nullable function types
  • Write lambda expressions with shorthand syntax
    • Omit parameter name
    • Pass a lambda expression directly into a function
    • Use trailing lambda syntax
  • Use the repeat() function
  • Conclusion
• Practice: Kotlin Fundamentals
  • Before you begin
    • Prerequisites
    • What you’ll need
  • Mobile notifications
  • Movie ticket price
  • Temperature converter
  • Song catalog
  • Internet profile
  • Foldable phones
  • Special auction
  • Solution code
    • Solution: Mobile notifications
    • Solution: Movie ticket price
    • Solution: Temperature converter
    • Solution: Song catalog
    • Solution: Internet profile
    • Solution: Foldable phones
    • Solution: Special auction