Project structure and packages

Contents

• 1. Introduction 1. Introduction

  • Introduction

    1m 45s
  • What is Kotlin?

    5m 46s
  • Installing IntelliJ

    3m 11s
  • Configuring IntelliJ

    7m 7s
• 2. Working with Strings 2. Working with Strings

  • Creating a new Kotlin project

    5m 45s
  • Variable declaration syntax

    4m 32s
  • Inferring variable types and println

    4m 17s
  • Using string templates

    4m 40s
  • Multiple line strings

    6m 54s
• 3. Other Variable Types 3. Other Variable Types

  • Using the Double type and determining class types

    4m 25s
  • The Int data type

    2m 11s
  • Other data types

    6m 18s
  • Casting in Java

    5m
  • Casting in Kotlin

    6m 35s
  • Chapter review

    1m 17s
• 4. Nullable Variables 4. Nullable Variables

  • Creating variables that can contain a null value

    4m 43s
  • Methods that work with nullable parameters

    2m 19s
  • The null-safe and non-null asserted operators

    4m 16s
  • The Nothing object type

    3m 8s
• 5. Functions 5. Functions

  • The function syntax and the Unit object

    4m 1s
  • Creating and calling top-level functions

    4m 38s
  • Single expression functions

    3m 14s
  • Using named parameters and optional parameters

    5m 39s
  • Other aspects of functions in Kotlin

    6m 46s
• 6. Classes 6. Classes

  • Project structure and packages

    2m 5s
  • The class declaration and class-level attributes

    3m 31s
  • Instantiating a class and accessing class-level attributes

    2m 14s
  • Creating a simple constructor

    5m 7s
  • Secondary constructors

    5m 20s
  • Alternative class design

    5m 3s
  • Overriding getters and setters

    7m 21s
  • Functions within a class

    2m 57s
  • Static functions

    3m 28s
  • Data classes

    7m 32s
• 7. Practical Exercise 1 7. Practical Exercise 1

  • Explaining the challenge

    4m 35s
  • Solution walk-through

    9m 51s
• 8. If and Object Equality 8. If and Object Equality

  • The if keyword as an expression

    4m 48s
  • Using if to do a null-safe check

    7m 7s
  • The let function

    9m 36s
  • Object equality and the when expression

    5m 31s
• 9. Ranges and Looping 9. Ranges and Looping

  • The while loop

    1m 25s
  • Using for to loop through a collection

    5m 26s
  • Destructuring with a for loop

    3m
  • Looping with a range

    6m 13s
• 10. Collections 10. Collections

  • Mutable collections with immutable variables

    1m 29s
  • Immutable lists

    4m
  • Mutable lists

    1m 30s
  • Maps and sets

    1m 45s
  • Working with arrays

    4m 16s
• 11. Practical Exercise 2 11. Practical Exercise 2

  • Explaining the challenge

    7m 10s
  • Solution walk-through

    8m 46s
• 12. Exceptions and the try-catch Block 12. Exceptions and the try-catch Block

  • Exceptions are unchecked

    4m 55s
  • Throwing exceptions

    4m 45s
  • try as an expression

    2m 23s
  • use as an expression (try with resources)

    2m 58s
• 13. Testing 13. Testing

  • Using JUnit with Kotlin

    5m 1s
  • The Kotlin test assertions

    5m 9s
  • Testing for exceptions

    4m 20s
• 14. Polymorphism and Inheritance 14. Polymorphism and Inheritance

  • Creating and implementing interfaces

    4m 49s
  • Class inheritance

    5m 11s
  • Creating custom exceptions

    2m 35s
  • Extension functions

    4m 38s
• 15. Java Interoperability 15. Java Interoperability

  • Instantiating classes and providing values to non-nullable variables

    6m 9s
  • Using data classes

    1m 21s
  • Using immutable lists

    2m 17s
  • Exception handling

    3m 18s
  • Using static functions

    2m 13s
  • Importing a Kotlin JAR file into a Java project

    4m 11s
• 16. Getting Started with Spring Boot 16. Getting Started with Spring Boot

  • Creating a project with the Spring Initializr

    4m 30s
  • A hello world controller

    3m 33s
  • Auto-restarting an application

    4m 18s
  • Overview of the case study

    1m 42s
  • Creating views and backing beans

    5m 15s
  • Connecting views to controller functions

    2m 10s
  • Adding services

    4m 13s
  • Posting to a controller

    5m 3s
  • Dependency injection

    6m 38s
  • Revisiting backing beans

    3m 32s
• 17. Functional Programming 17. Functional Programming

  • Functional programming overview

    4m 57s
  • Methods that take function parameters—the Java way

    5m 17s
  • Methods that take function parameters—the Kotlin way

    5m 19s
  • Functional programming with lists

    6m 48s
  • filter and flatMap

    3m 46s
  • reduce and fold

    6m 33s
  • Working with maps

    3m 14s
• 18. Getting Started with Hibernate 18. Getting Started with Hibernate

  • Adding the Hibernate dependencies

    5m 3s
  • The challenge of creating entities

    7m 40s
  • Persisting data to a database

    5m 10s
• 19. Practical Exercise 3 19. Practical Exercise 3

  • Step 1: Explaining the challenge

    4m 9s
  • Solution walk-through

    2m 33s
  • Mappings between entities

    7m 33s
  • Upgrading the view

    11m 25s
  • Step 2: Explaining the challenge

    2m 26s
  • Solution walk-through

    9m 4s
  • Step 3: Explaining the challenge

    3m 21s
  • Solution walk-through

    4m 21s
• 20. Reflection 20. Reflection

  • The concept of reflection

    7m 20s
  • Inspecting properties and functions

    3m 47s
  • A practical use for reflection

    9m 42s
  • Thank you and goodbye

    38s