GitHub

ConcurrentHashMap#values().stream().toArray() is not thread-safe

@Test void raceConditionReproductionTest() { ConcurrentMap<Integer, String> eclipseMap = new org.eclipse.collections.impl.map.mutable.ConcurrentHashMap<>(); IntStream ...
InfoWorld

What you need to know about Java wrapper classes

Before we dive into what’s new with wrapper classes in Java 21, let’s do a quick review. Wrapper behavior was also refined as groundwork for Project Valhalla’s value types. Wrapper classes in Java 21 ...
GitHub

ConcurrentHashMap doesn't work as expected when use byte array as key in Xamarin

Here is code block I use in Xamarin. Java.Util.Concurrent.ConcurrentHashMap map = new Java.Util.Concurrent.ConcurrentHashMap(); var key = new byte[] { 1, 2, 3 }; var ...