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, ...

Android Malware: Anatomy of a Mantis

Anatomy of a Mantis," which was published on STEALIEN's Korean technical blog on November 15, 2023. This post is a technical ...
aws.amazon

Database Caching

In-memory data caching can be one of the most effective strategies to improve your overall application performance and to reduce your database costs. Caching can be applied to any type of database ...
GitHub

University Student Record and Campus Route Management System

The University Student Record and Campus Route Management System is a Java console-based application developed to demonstrate the practical implementation of data structures covered in the CIT300 Data ...
GitHub

java-collections

Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.
blog.csdn

JDK 1.7 HashMap并发扩容为何形成环形链表？解析与规避指南

原创 最新推荐文章于 2026-09-24 12:39:40 发布 · 290 阅读 先说个结论：JDK 1.7 的 HashMap 在并发扩容时有概率形成环形链表，一旦形成，下次 get 操作基本就是死循环，CPU 直接飙满。这个问题在当年的 ...
blog.csdn

Java进阶核心：HashMap、泛型擦除、反射代理与异常设计

Java开发中，集合框架与泛型是绕不开的基础，而理解这些底层机制才能真正提升工程能力与源码阅读水平。以HashMap为例，其数组+链表+红黑树的结构设计、加载因子0.75与2的幂次容量，直接决定了哈希冲突下的性能表现；泛型通过类型擦除在编译期保证安全，同时带来了通配符与PECS原则等高级用法 ...