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

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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

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Jul 3

What ifFalse was true?

This is not the fizzBuzz in Smalltalk you were looking for.

What ifFalse was true?

Donald Raab

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Jun 28

Save Memory in Java by Making Memory Efficiency Your Top Priority

Leverage Java libraries and frameworks which focus on memory efficiency.

Save Memory in Java by Making Memory Efficiency Your Top Priority

Donald Raab

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Jun 26

FizzBuzz in Smalltalk

Accept the things you can’t change. Change the things you can’t accept.

FizzBuzz in Smalltalk

Donald Raab

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Jun 23

Coding the Haiku Kata in Smalltalk

Inspired by implementations in Eclipse Collections, Java Stream, & Groovy

Coding the Haiku Kata in Smalltalk

Donald Raab

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Jun 22

Cascading Messages in Smalltalk

Statements end with a period, and messages cascade with a semicolon.

Cascading Messages in Smalltalk

Donald Raab

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Jun 21

More Features, Less Waste

The lesser known tagline of Eclipse Collections.

More Features, Less Waste

Donald Raab

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Jun 17

Does Your Programming Language Ever Surprise You in a Good Way?

What does two divided by three return in your programming language?

Does Your Programming Language Ever Surprise You in a Good Way?

Donald Raab

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Jun 16

Smalltalk Blocks

The expression of the square bracket

Smalltalk Blocks

Donald Raab

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Jun 12

Ternary, Predicate, and Pattern Matching for FizzBuzz with Java 26

Exploring FizzBuzz solutions from Java 8 to Java 26

Ternary, Predicate, and Pattern Matching for FizzBuzz with Java 26

Donald Raab

Donald Raab

Book Author

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

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