Backend
A first-principles guide to Java garbage collection: why the JVM eliminates entire classes of memory bugs, how reachability analysis and the Weak Generational Hypothesis shape the heap, what Stop-The-World pauses really cost, and how Parallel, G1, and ZGC each make a different bet on the throughput-latency trade-off.
Backend
A first-principles guide to the Java Memory Model: why concurrent Java fails without synchronization, what happens-before really means, and how volatile, synchronized, final, and java.util.concurrent each forge the guarantees you need.
Backend
A complete Java 25 LTS migration guide covering every phase: javax to jakarta namespace migration, virtual threads, records, scoped values, compact object headers, flexible constructor bodies, and the exact JVM flags for production tuning.
Backend
Java virtual threads explained: how they differ from platform threads, the carrier/mount/unmount mechanism, the cheap thread-per-task model, pinning and ThreadLocal gotchas, and when to use them (I/O-bound) vs not (CPU-bound).