JVM Flags Explained: Standard, -X, and -XX Options for Tuning
Master JVM flags configuration with this comprehensive guide covering standard, -X, and -XX options for production Java performance tuning.
Posts tagged with #java
Method Invocation Bytecode
Deep dive into JVM method invocation: invokevirtual, invokestatic, invokespecial, invokeinterface, and invokedynamic explained per the JVM Specification.
Java 9 Module System: Boundaries, Encapsulation, and requires/exports
A guide to the Java 9 Module System covering module boundaries, strong encapsulation, the requires and exports directives, and practical migration patterns.
Java Security Manager: Permission Checks and Policy Files
A deep dive into the Java Security Manager, policy file configuration, permission checks, and how to properly sandbox untrusted code in the JVM.
JVM Stack Walking API: Fast Stack Traversal and Security Context
A guide to the JVM Stack Walking API showing how to efficiently traverse stack frames, access local variables, and extract security context without the overhead of traditional stack trace capture.
Java Synchronization Primitives: synchronized, wait/notify, and Locks
Understanding Java synchronization: synchronized blocks, wait/notify, ReentrantLock, ReadWriteLock, StampedLock, and common concurrency patterns.
Java Thread Lifecycle: States, start, yield, sleep, interrupt, join
Understanding Java thread lifecycle management: thread states, start, yield, sleep, interrupt, join, daemon threads and common pitfalls.
Tiered Compilation in the JVM
Explore C1 and C2 JIT compilers, on-stack replacement, and deoptimization handling in the JVM's tiered compilation model.
Java Fundamentals Roadmap
A comprehensive learning path from Java basics to object-oriented programming mastery. Master variables, data types, control flow, OOP concepts, collections, and core Java libraries.
Abstract Classes in Java
Learn about partially implemented classes that define contracts for subclasses using abstract methods and concrete implementations.