Scala · Introductory

Lesson 1 · On the house

Hello Scala

object, def main, println, run basics.

Lesson 2

vals and vars

Immutability default, inference, explicit types.

Lesson 3

Types and expressions

Int/String/Boolean/Double; if returns a value.

Lesson 4

Functions

def, parameters, return types, =, Unit.

Lesson 5

Strings

s"..." interpolation, multiline, basic methods.

Lesson 6

Lists

List, ::, Nil, head/tail, map/filter.

Lesson 7

Tuples and Maps

(a, b), Map, get / getOrElse.

Lesson 8

Classes and objects

Simple class fields/methods vs singleton object.

Lesson 9

Case classes and pattern match

case class, match with case.

Lesson 10

Capstone

vals, functions, List/map, case class together.