Introduction & Core Concepts

50 lessons in Kotlin

• Basic Data TypesQuiz
• Parameters and Return TypesQuiz
• Type InferenceQuiz
• Comments in KotlinQuiz
• Function DeclarationQuiz
• What Kotlin IsQuiz
• Optional SemicolonsQuiz
• The main FunctionQuiz
• Basic LoopsQuiz
• Null Safety BasicsQuiz
• Printing OutputQuiz
• when Expression BasicsQuiz
• Kotlin and Java InteropQuiz
• if as an ExpressionQuiz
• val vs varQuiz
• String TemplatesQuiz
• Statements on one lineCode Quiz
• Type inferenceCode Quiz
• The main entry pointCode Quiz
• Unit return typeCode Quiz
• if as an expressionCode Quiz
• The fun keywordCode Quiz
• val vs varCode Quiz
• Return type mismatchCode Quiz
• Single-expression functionCode Quiz
• Console output typoCode Quiz
• String template propertyCode Quiz
• C-style for loopCode Quiz
• Inclusive vs exclusive rangesCode Quiz
• Explicit type mismatchCode Quiz
• Assigning nullCode Quiz
• Comment syntaxCode Quiz
• Char literalsCode Quiz
• when as an expressionCode Quiz
• Comments in KotlinFlashcard
• What Kotlin IsFlashcard
• val vs varFlashcard
• Type InferenceFlashcard
• Basic Data TypesFlashcard
• Everything Is an ObjectFlashcard
• Explicit Type AnnotationsFlashcard
• Reading Input with readLine()Flashcard
• The main() FunctionFlashcard
• println vs printFlashcard
• Java InteroperabilityFlashcard
• Arithmetic and Comparison OperatorsFlashcard
• String TemplatesFlashcard
• Concise, Expressive SyntaxFlashcard
• Kotlin Compilation TargetsFlashcard
• Optional SemicolonsFlashcard