Core Java
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Callback hell and Reactive patterns
One of the ways that I have better understood the usefulness of aReactive Streams based approach is how it simplifies…
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Reflection is the most important Java API
The other day I was wondering – which is the most important Java API. Which of the SE and EE…
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Using Java 12 in Eclipse
1. Install JDK 12 Link: https://www.oracle.com/technetwork/java/javase/downloads/jdk12-downloads-5295953.html 2. Install Eclipse 4.11 Link: https://download.eclipse.org/eclipse/downloads/drops4/R-4.11-201903070500 3. Install Eclipse Java 12 Support Start Eclipse…
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Reflection selector expression
Java::Geci is a code generator that runs during unit test time. If the generated code fits the actual version of…
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Java 12: Switch Expressions
In Java 12, the switch statement has been enhanced so that it can be used as an expression. It is…
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Generating setters and getters using Java::Geci
In the article , we created very simple hello-world generators to introduce the framework and how to generate generators generally.…
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Flexible Styling with Varying Criteria for POI-created documents
Intro This post explains the difficulties with applying styles to a document based on varying criteria and offers a solution.…
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Explicit No-Arguments Constructor Versus Default Constructor
Most developers new to Java quickly learn that a “default constructor” is implicitly created (by javac) for their Java classes…
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Box old objects to be autoclosable
Since Java 7 we can use try-with-resources and have any object automatically closed that implements the Autocloseable interface. If the…
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