Core Java
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Playing with JDK 12’s Switch Expressions
In the blog post “JDK Language Feature Preview in Action: Switch Expressions,” I discussed how JEP 325 [“Switch Expressions (Preview)”]…
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JDK Language Feature Preview in Action: Switch Expressions
JEP 12 [“Preview Language and VM Features”] is described on its main page as follows: A preview language or VM…
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Nested classes and private methods
When you have a class inside another class they can see each others private methods. It is not well known…
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String.valueOf(Object) versus Objects.toString(Object)
The handy method String.valueOf(Object) has been around since JDK 1.0 and is one of the JDK-provided methods that I use…
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Embracing modular Java platform: Apache CXF on Java 10
It’s been mostly a year since Java 9 release finally delivered Project Jigsaw to the masses. It was a long,…
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Builders and Manipulators
Here is a simple principle for naming methods in OOP, which I’m trying to follow in my code: it’s a…
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Unit testing constraints with business input from Excel or LibreOffice
The business experts explain the business constraints to us, the developers. But how can we be sure that we understood…
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Apache Commons ArrayUtils.toString(Object) versus JDK Arrays.toString(Object)
Apache Commons Lang provides an ArrayUtils class that includes the method toString(Object) that “Outputs an array as a String.” In…
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JDK 11: Release Candidate Update and OpenJDK JDK 11 LTS
JDK 11 is scheduled to be released for General Availability on Tuesday, 25 September 2018. A 16 August 2018 Mark…
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