Core Java
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JDK 9: Highlights from The State of the Module System
Mark Reinhold‘s The State of the Module System (SOMS) was published earlier this month and provides an information-packed readable “informal…
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jOOQ Tutorial for Type safe DB querying
Course Overview SQL is a powerful and highly expressive language for queries against relational databases. SQL is established, standardised and…
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An introduction to optimising a hashing strategy
Overview The strategy that’s used for hashing keys, can have a direct impact on the performance of a hashed collections…
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JAR Manifest Class-Path is Not for Java Application Launcher Only
I’ve known almost since I started learning about Java that the Class-Path header field in a Manifest file specifies the…
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Chronicle Journal – Customizable Data Store
Overview The way to make any data structure or algorithm as fast as possible is for the code to do…
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The performance impact of scripting in processes
We often see people using the scripting (for example in a service task, execution listener, etc.) for various purposes. Using scripts versus…
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How to use Java 8 Functional Programming to Generate an Alphabetic Sequence
I’ve stumbled upon an interesting Stack Overflow question by user “mip”. The question was: I’m looking for a way of…
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Stack smashing detected
I bet every Java developer has been surprised at some point in the beginning of their career when they first…
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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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