Core Java
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jhsdb: A New Tool for JDK 9
I like to use the command-line tools provided with the JDK in the early steps of analyzing performance and other…
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JUnit 5 – Parameterized Tests
JUnit 5 is pretty impressive, particularly when you look under the covers, at the extension model and the architecture. But…
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Parsing in Java: all the tools and libraries you can use
If you need to parse a language, or document, from Java there are fundamentally three ways to solve the problem:…
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Who needs Java modules after all ?
Jigsaw questions for 1000. I as an X want JPMS modules. What is X if it’s not a platform developer?…
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Effective Java – Creating and Destroying Objects
Creating and Destroying Objects (Ch 2) This is a short summary of Joshua Blochs book Effective Java chapter 2. I…
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Effective Java – Method Common to All Objects
Methods Common to All Objects (Ch 3) This is a short summary of Joshua Blochs book Effective Java chapter 3.…
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Importance of given-when-then in unit tests and TDD
Recently, I’ve been writing rather about more advanced concepts related to automatic testing (mostly related to Spock). However, conducting my…
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JVM Statistics with jstat
I have written about several command-line tools provided with the Oracle and/or OpenJDK Java Development Kits (JDKs) in the past,…
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Yet another Jigsaw opinion piece
In the past weeks there has been a heated debate around the imminent release of Java 9 and its most…
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