Core Java
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Filterer Pattern in 10 Steps
Filterer is a pattern that should be applied only in certain cases. In the original post, I presented a very simple example…
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JDK 9/JEP 280: String Concatenations Will Never Be the Same
JEP 280 (“Indify String Concatenation”) was implemented in conjunction with JDK 9 and, according to its “Summary” section, “Change[s] the…
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Transformer Pattern
The Transformer pattern is a design pattern for Java (and potentially other OO languages with use-site variance only and invariant parameter types)…
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Custom Compact Number Patterns with JDK 12 Compact Number Formatting
The post “Compact Number Formatting Comes to JDK 12” has been the subject of discussion on a java subreddit thread.…
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JDK 13: What AggressiveOpts?
The Java VM flag -XX:+AggressiveOpts was deprecated in JDK 11 [see JDK-8199777 and JDK-8199778] “because its behavior is ill-defined.” The…
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Running JAXB xjc Compiler with OpenJDK 11
As described in the post “APIs To Be Removed from Java 11,” a JAXB implementation is no longer included with…
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How much faster is Java 11?
Java 11 was released some time ago, although the majority of developers stay on Java 8. Let’s see which one of…
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Using Minimum Fractional Digits with JDK 12 Compact Number Formatting
The post “Compact Number Formatting Comes to JDK 12” demonstrated the support added to NumberFormat in JDK 12 to support…
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Different States of Java Threads
Introduction In Java, threads can have States. The Thread.State enum defines the different states that a Java thread can have.…
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