Functional-Programming

Functional Interfaces

Functions
Chaining functions with andThen
BiFunction
Consumer
BiConsumer
Predicate
Supplier

Streams & Optionals

Intro to Streams
Optionals
More on streams

Combinator Design Pattern with Functions

Validation Service Example
Implementing Combinator Pattern

Beyond Functions

Callbacks like JS
Lambdas
Primitives
Properties of functional programming