Core Java
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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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Java 11: Converting a Collection to an Array
In Java 11, a new default method, toArray(IntFunction), has been added to the java.util.Collection interface, which allows the collection’s elements…
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Parsing Value from StreamCorruptedException: invalid stream header Message
It is a relatively common occurrence to see StreamCorruptedExceptions thrown with a “reason” that states, “invalid stream header” and then…
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Restarting Java’s Raw String Literals Discussion
It was announced in December 2018 that raw string literals would be dropped from JDK 12. Now, in the new year, discussion related…
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Compact Number Formatting Comes to JDK 12
JDK 12 Early Access Build 24 introduces support for Compact Number Formatting. The JDK-8188147 (Compact Number Formatting support) CSR‘s “Summary” is the simple…
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