JVM Bytecode Explained: The Language of the Virtual Machine
Learn JVM bytecode: the low-level language that powers Java execution. Explore instructions, architecture, JIT optimizations, and real-world performance
All Tutorials
Understanding the JVM Stack, Heap, and Method Area
Dive deep into JVM runtime data areas: stack, heap, and method area. Learn memory management, garbage collection, tuning, and performance optimization
Class Loading in the JVM: From .class to Execution
Understand JVM class loading: how .class files are loaded, verified, and executed. Learn JVM internals, memory model, execution flow, and tuning insights
How the JVM Interprets and JIT-Compiles Code
Learn how the JVM interprets and JIT-compiles bytecode for execution. Understand JVM internals, JIT optimizations, performance tuning, and real-world use cases
The JVM Instruction Set: A Beginner’s Guide to Bytecode Execution
Beginner’s guide to the JVM instruction set. Learn how Java bytecode executes inside the JVM, stack-based operations, JIT optimizations, and performance tuning
Understanding Java Threads in the JVM: Stack Frames and Thread Execution
Learn how Java threads work in the JVM, including stack frames, execution model, synchronization, and performance tuning for production-ready applications
Introduction to the JVM Memory Model: Heap, Stack, and Beyond
Learn JVM memory model internals: heap, stack, and beyond. Explore memory areas, GC behavior, tuning, and performance best practices for Java developers
The Java Memory Model (JMM): Happens-Before and Synchronization Guarantees
Master the Java Memory Model (JMM): happens-before rules, synchronization guarantees, visibility, atomicity, and best practices for multithreaded Java apps
Metaspace Explained: Evolution from PermGen to Metaspace
Understand the evolution from PermGen to Metaspace in the JVM. Learn why PermGen was replaced, how Metaspace works, and tuning strategies for production apps
Escape Analysis in the JVM: Stack Allocation of Objects
Learn how JVM escape analysis enables stack allocation of objects, reducing GC pressure, improving performance, and optimizing memory in Java applications