Notes Hub

java

20 items with this tag.

CompletableFuture
Concurrency Basics — Threads, Process & Memory
Creating Threads — Runnable vs Thread, start() vs run()
Deadlock & the Money-Transfer Trap
Garbage Collection — Full Notes
Garbage Collection — Refresher
Generics — Full Notes
Generics — Refresher
HashMap — Refresher
HashMap Internals
Hibernate / JPA — Interview Refresher
Immutability, final, String safety, ThreadLocal & Object Pools
Java — Map of Content
- moc
- java
JVM Architecture (full note, pre-AI era)
- java
- refresher
JVM Memory ↔ Thread Safety (the bridge)
- java
- refresher
Race Conditions & the Three Tools (volatile / synchronized / atomic)
Spring & Spring Boot — Interview Refresher
synchronized: block vs method vs class + Singleton safety
Thread Lifecycle & join()
Tomcat vs Vert.x, Sessions & Stateless REST