Remove Java List duplicates through code The first two examples to solve this deduping problem use specialized Java components and APIs. However, it’s a fun exercise to just use the standard loop ...

Modern applications might need to support millions of users, but OS threading limits present a problem. Here's how Java 21 virtual threads solve it.

EventListenerProvider hooked to transaction while accessing userAttributes is causing ConcurrentModificationException #22902 ...

Caused by: java.lang.ArrayIndexOutOfBoundsException: 9 at java.util.LinkedList.toArray (LinkedList.java:1053) ~ [?:1.8.0_161] at java.util.LinkedList.addAll ...