Kotlin for Android: Creating a Two-Screen App

Get a comprehensive overview of what you need to know as a developer to start writing command-line programs in the Kotlin programming language.

Introduction

• Welcome to Kotlin
• What you should know
• Using the exercise files on GitHub

1. Setting Up Your Kotlin Development Environment

• Introducing IntelliJ IDEA
• Installing IntelliJ IDEA for macOS
• Installing IntelliJ IDEA for Windows
• Run your first Kotlin code

2. Common Data Types

• Mutable and immutable data types
• Numeric data types
• Char and string data types
• Nullable types

3. Working with Functions

• Basic functions
• Function parameters
• Functional types
• Higher-order functions
• Challenge: Write a name formatter function
• Solution: Write a name formatter function

4. Control Flow Structures

• if and when statements
• Statements vs. expressions
• try/catch as control flow
• Smart casting
• while loops
• for loops
• Challenge: Replace an if/else expression with a when expression
• Solution: Replace an if/else expression with a when expression

5. Debugging Kotlin Code

• Setting breakpoints
• Stepping through code
• Evaluate expressions and add watches

6. Working with Collections

• Arrays
• Lists
• Sets and maps
• Working with collections
• Sequences
• Challenge: Filtering a list of data
• Solution: Filtering a list of data

7. Working with Inputs and Outputs

• Command-line arguments
• Receiving user input
• Read and write to files
• Challenge: Parsing a list of data from a file
• Solution: Parsing a list of data from a file

8. Testing Kotlin Code

• Writing JUnit tests
• Mocking data

Conclusion

• Next steps