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 ...
TheServerSide

The benefits and drawbacks of Java's fail-safe iterators

Iterators in Java typically expect exclusive access to the data structure they loop through. If another thread tries to modify a collection of objects while an ...
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 ...