Core Java
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Stream Performance
When I read Angelika Langer’s Java performance tutorial – How fast are the Java 8 streams? I couldn’t believe that…
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An Unexpected Allocation – JIT Compilation Jitter
Whilst working on ByteWatcher (see my last post) I came across something rather strange. This is the actual code snippet…
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Squeezing data into the data structure
This story is about a capacity optimization task that we recently carried out at Plumbr. It all started with an innocent-looking…
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Use of optional is optional
After the article of last week “Optional in collections” today I can’t help but talking a bit more about the…
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Java 8 SE Optional, a strict approach
About two weeks ago Stephen Colebourne presented his pragmatic approach to using Optional. If you read it, you might have…
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Optional in collections
Sometime it is argued that the type Optional is worth being used in collections. It allegedly solves the problem of…
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Comparing Hashing strategies
Overview Chronicle has a number of implementations for hashing, including City and Murmur. It also has it’s own Vanilla Hash,…
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Writing Data Driven Tests for your Java Application
JUnit is an extremely powerful testing framework that not only provides its users with a facility to write quick and…
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Adding Database Logging to JUnit3
We have written many thousands of JUnit3 tests over the last decade and are now trying to consolidate the results…
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