Donald Raab – Medium

Donald Raab

Comparing Collections in Java

Learn when to use List, Set, Bag or Map if you don’t have a Bag.

5 min read1 day ago

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Comparing Collections in Java

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Donald Raab

Docendo discimus and Retroactive Interference

By teaching, we learn and when we learn, we sometimes forget.

3 min read6 days ago

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Docendo discimus and Retroactive Interference

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Donald Raab
in
Javarevisited

Haiku Kata using String transform, Text Blocks, and Switch Expressions

I solve the Haiku Kata again using more features added since Java 12

7 min readApr 17, 2024

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Haiku Kata using String transform, Text Blocks, and Switch Expressions

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Donald Raab
in
Javarevisited

Nuanced String Joining in Java

Subtle differences sometimes make a big difference

8 min readApr 14, 2024

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Nuanced String Joining in Java

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Donald Raab
in
Javarevisited

Looking at a Java Class and its Methods Through a Kaleidoscope

Exploring the Java Stream methods from multiple perspectives

7 min readApr 4, 2024

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Looking at a Java Class and its Methods Through a Kaleidoscope

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Donald Raab

Visualizing Eclipse Collections after Twenty Years of Development

It’s hard to see the forest when you keep walking among the trees.

5 min readMar 16, 2024

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Visualizing Eclipse Collections after Twenty Years of Development

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Donald Raab

Visualizing My Java Champion Journey

Mind mapping memories and metrics from the before and after times.

2 min readFeb 29, 2024

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Visualizing My Java Champion Journey

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Donald Raab

Bridging the Gap

Taking a road trip and checking off some bucket list items on my todo list

18 min readFeb 7, 2024

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Bridging the Gap

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Donald Raab

What if Java had no for?

These loops look like objects to me!

19 min readJan 15, 2024

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What if Java had no for?

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Donald Raab

What if Java had no if?

What would you do?

8 min readJan 7, 2024

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What if Java had no if?

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Donald Raab

Donald Raab

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

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