Pathway 1: More Kotlin fundamentals

My conspectus of More Kotlin fundamentals

• Generics
• enum class
• data class
• class
• Singleton object
• companion object
• extension function
• Use collections in Kotlin
  • List
  • Set
  • Map
  • size method
  • in keyword
  • read-only vs mutable collections
    • mutable
      • add
      • remove
      • set
      • …
  • forEach method
  • filter method
  • sortedBy method

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