Kotlin

• Theory
  • 2. Basic types
    • 2.1. Basic types. Numeric literals. Numeric constants. Examples
    • 2.5. The Array type
      • 2.5.1. Class Array. The purpose. Arrays of data. Ways to create the array
      • 2.5.2. Array assignment. Operator =. Variables and methods of the Array class
    • 2.6. Ranges (intervals). Operator .. . Interval types IntRange, CharRange, LongRange
    • 2.7. String templates. Constructions $ and $ { }. Examples of constructing string templates
  • 3. Variables and constants. Conversion and type casting
    • 3.1. Variables and constants. Keywords var, val, const
  • 4. Basic operators (operations)
    • 4.2. Comparison operators (>, <, >=, <=, …). Logical operators (&&, ||, !)
  • 5. Control flows
    • 5.1. Conditional Operators
      • 5.1.1. The conditional branch operator if-else. Types of conditional branch operators
      • 5.1.2. Nested conditional branch operators. The if condition statement as part of other statements. Examples
      • 5.1.3. Conditional expression. Concepts. Features of use with the if and when statements. Examples
    • 5.2. Operator when
    • 5.3. Loops. Basic concepts. The while, do-while loops. Examples of tasks solving
    • 5.4. Loop for. Ways of implementation. Applying a for loop to ranges, arrays, lists, dictionaries, sets
  • 6. Functions
    • 6.1. Functions. The fun keyword. Refactoring a function. The return statement
    • 6.2. Function scope. Local scope. Default arguments in function parameters
    • 6.3. Functions with a single expression. Unit type. Functions that return the Unit type. Examples
    • 6.4. Named arguments of functions. The Nothing type. Overloading functions
    • 6.5. Function overloading. Function names in backticks
  • 7. Lambda expressions. Anonymous Functions. Functional type
    • 7.1. Anonymous functions.  Lambda expressionss. Functional type. Examples
    • 7.2. Anonymous functions (lambda). Features of use. Examples
  • 8. Null-safety
    • 8.1. Null-safety. General information. Symbol ?. Operators ?. and ?:
• Practice
  • Console Application
    • 001 – Creation of the simplest project. The program “Hello world!”. Getting started with the IntelliJ IDEA interface