Why do memory leaks occur in Java? Reasons why static Map references remain even after GC runs, and how to investigate them

I have caused a memory leak in Java before.The cause was data that was temporarily used for game ranking aggregation.Once the aggregation process was finished, that data was no longer needed. However, ...

Page 2: Structured Concurrency: The Model is Set, the API is Moving

A rather small but potentially visible behavioral change concerns DateTimeFormatter. The predefined ISO formatters now also ...

How I passed the Java Silver SE 8 exam in one month as a beginner

This is a story from a few years ago.When I first became an engineer, my company told me, "You'll get a bonus if you earn this certification," which was my motivation for taking the Java Silver ...
InfoQ

Java 27 Delivers Post-Quantum Cryptography, Future Language Innovation, Helidon 27, JavaFX 27

Oracle has released version 27 of the Java programming language and virtual machine. As the second non-LTS release since JDK 25, the final feature set includes nine JEPs, five of which are still ...
bilibili

开学的最后一战

2026/08/31 12:23:21: VersionCode:2.1.8-1 Phone:33 Attempt to invoke interface method 'java.lang.Object[] java.util.Collection.toArray()' on a null object reference: java.lang.NullPointerException: ...