Course Overview

Learn how to write better, more organized code by leveraging core concepts of functional programming: immutability, data-function separation, and first-class functions.

Course Circullum

Introduction

Functional programming: A new way to organize code
What you should know

1. Introduction to Functional Programming

Why use functional programming?
What is declarative programming?
Immutability in functional programming
Functional purity
First-class functions

2. First-Class Functions

The function interface
Lambda expressions
BiFunctions and beyond
Functions as data
Passing functions as arguments
Returning functions
Closure
Higher-order functions

3. Working with Streams in Java

Map in Java
Filter in Java
Reduce in Java
Collect in Java
Challenge: Stream exercises
Solution: Stream exercises
Combine list functions
Parallel streams
Challenge: Average salary calculator
Solution: Average salary calculator

4. Advanced Concepts

Advanced functional concepts
Partial application and currying
Recursion
Composition

Shaun Wassell

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