Medium

Donald Raab

Featured Book

Eclipse Collections Categorically: Level up Your Programming Game

Eclipse Collections Categorically: Level up Your Programming Game

In over 200 color code examples, Eclipse Collections Categorically shows how to make your Java collections code easier to write and review.

2025

Donald Raab, et al.

Donald Raab, José Paumard (Foreword by), et al.

Stories

Donald Raab

·

15h ago

Token Munching was Fueled by Skills Deficits and Game Design in the ‘80s

Investing in skills, avoiding token-munchers, and climbing leaderboards.

Token Munching was Fueled by Skills Deficits and Game Design in the ‘80s

Donald Raab

·

Oct 29

Talk: Who moved my (Java) heap?

A talk delivered at JCON USA / IBM TechXChange on October 26, 2026.

Talk: Who moved my (Java) heap?

Donald Raab

·

Oct 29

Stop Owning Yourself

Paying for something you can do easily yourself for free is silly.

Stop Owning Yourself

Donald Raab

·

Oct 25

The Escape of Java Stream anyMatch

Watching Java Stream.anyMatch() escape to the heap is a surprise.

The Escape of Java Stream anyMatch

Donald Raab

·

Sep 26

Buttoning Up Method Categories in Eclipse Collections with Annotations

From Custom Code Folding Regions in IntelliJ to Java Annotations

Buttoning Up Method Categories in Eclipse Collections with Annotations

Donald Raab

·

Sep 15

Exploring the Asymmetric Apathy in Java Collection and Java Stream

That which can be done lazily, can also be done more simply eagerly.

Exploring the Asymmetric Apathy in Java Collection and Java Stream

Donald Raab

·

Sep 7

My Ten Year Quest to Evolve Java Collections Beyond Java Stream

Java Stream was hot magma in Java 8, but its lava flow is hardening.

My Ten Year Quest to Evolve Java Collections Beyond Java Stream

Donald Raab

·

Aug 14

Why Optimizing Java Stream Makes Sense for Eclipse Collections

Eclipse Collections integrates with Java Stream, because your code does.

Why Optimizing Java Stream Makes Sense for Eclipse Collections

Donald Raab

·

Aug 10

Allocation Hungry Any/All/None, FindFirst, and Count Methods on Java Stream

Some methods on Java Stream are eager and allocation hungry.

Allocation Hungry Any/All/None, FindFirst, and Count Methods on Java Stream

Donald Raab

·

Jul 5

Level Up Your Programming Game with a Java Book and Smalltalk

A Java Book and the Smalltalk that helped it happen

Level Up Your Programming Game with a Java Book and Smalltalk

Donald Raab

Donald Raab

Book Author

Author. Java Champion. Creator of the Eclipse Collections OSS Java library (https://github.com/eclipse-collections). Inspired by Smalltalk. Opinions are my own.

Help

Status

About

Careers

Press

Blog

Store

Privacy

Rules

Terms

Text to speech