Joe C

Joe C has asked 2 questions and find answers to 54 problems.

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About

I am a senior software developer at a scale-up in London. I specialise in Java, with particular interest in performance issues.

Joe C questions

How to change job/stage description in web UI?

Joe C answers

Can a non-generic class implement a generic interface?
Summing BigDecimals in streams API Collectors
Java: Is Stack.addAll the same as pushing elements individually?
Using streams/collect to transform a Map
Why does SparkContext.parallelize use memory of the driver?
java stream - flatmap with method reference
sorted in stream is not applicable
Which Set implementation in Collectors.toSet()? [duplicate]
Java Lambda style
compile time: no instance(s) of type variable(s) U exist