آموزش Kotlin مقدماتی و پیشرفته

1-    Basic types

• Numbers
• Operations
• Unsigned integers
• Literals
• Booleans
• Characters
• Strings
• String literals
• String templates
• Arrays
• Collections
• Ranges

2-    Conditions and loops

• If expression
• When expression
• For loops
• While loops
• Break and continue in loops

3-    Null safety

• Nullable types and non-null types
• Safe calls
• Elvis operator
• The !! operator
• Safe casts
• Collections of nullable type

4-    Functions

• Function usage
• Parameters
• Return and jumps
• Unit-returning functions
• Single-expression functions
• Varargs
• Infix notation
• Tail recursive functions
• Lambdas
• Inline, noinline, crossinline functions

5-    Classes and objects (object oriented programming)

• Classes
  • Constructors
  • Secondary constructor
  • Create instances of classes
  • Class members
  • This expressions
  • Companion objects
• Inheritance
  • Overriding methods
  • Overriding properties
  • Derived class initialization order
  • Calling the superclass implementation
  • Overriding rules
• Properties
  • Declaring properties
  • Getter and setters (encapsulation)
  • Late-initialized properties and variables
• Delegated properties
  • Lazy properties
• Abstraction
  • Interfaces
  • Implementing interfaces
  • Functional interfaces
  • Abstraction class
• Visibility modifiers
  • Packages
  • Class members
  • Constructors visibility
• Extensions
  • Extension functions
• Data classes
• Sealed classes
  • Sealed classes and when expression
• Enum classes
• Nested and inner class
• Inline classes
• Casting

6-    Operator overloading

7-    Exceptions

8-    Asynchronous programming

• Threading
• Callbacks
• Futures, promises and others
• Reactive extensions
• Coroutines