Learn how to use pattern-matching features in your Java programs, including pattern matching with switch statements, when clauses, sealed classes, and a preview of primitive type pattern matching ...

Java 24 arrived today in a production release, packed with two dozen features. It’s a short-term support release eligible for six months of premier support.

A preview feature in JDK 22 combines the strengths of virtual threads and parallel streams to improve optimization and performance. Here's how it works.

Explore the best village seeds you can get for Minecraft 1.18.1 Java edition in 2022, along with key coordinates, rare loot, and more.

分段锁的改进： Java 8中的ConcurrentHashMap取消了分段锁机制，采用更细粒度的锁来实现并发控制。 ConcurrentHashMap的数据结构被分割成多个独立的部分，每个部分维护自己的锁。 通过细粒度的锁机制，使得读操作可以并发执行，提高了并发性能。 ConcurrentHashMap机构 总结： ...

We discuss how to work with directories, sub-directories, and traverse them using Java and the DirectoryStream method. Learn more.

Under recursive scene of caffeine, we are experiencing deadlocks in caffeine version 2.9.0 (java version is 1.8.0_152). threaddump: at java.util.concurrent.ConcurrentHashMap.compute (ConcurrentHashMap ...

Don't let the occurrence of a RuntimeException in Java bring your code to a standstill. Here are 10 examples of how to avoid runtime exceptions in Java.