Thanks to this, I was able to sort out the concepts that I always got confused about and kept putting off studying!

pjh5365

Learn the essential modern Java technologies of Lambda, Stream, and functional programming with Java, from the basics to the practical level, in depth.


Real-World Java - Advanced Part 3, Lambda, Streams, and Functional Programming by Kim Young-han

입문

초급

중급이상

자바

Java

Functional Programming

람다

Lambda

optional

Course Introduction and Materials

Reason why Lambda is needed

Functional Interface

Lambda Usage

Lambda vs Anonymous Class

Method Reference

Stream API1 - Basic

Stream API2 - Features

Stream API3 - Collector

Optional

Default Method

Parallel Stream