Java Bytecode Fundamentals
Explore the low-level representation of Java code: op codes, the stack-based JVM architecture, and local variable table mechanics.
Explore the low-level representation of Java code: op codes, the stack-based JVM architecture, and local variable table mechanics.
Learn how Java Flight Recorder captures low-level diagnostics, profiling data, and continuous monitoring events from the JVM in production environments.
Understanding happens-before guarantees, volatile field semantics, and final field safety in the Java Memory Model for correct concurrent code.
Complete guide to JDK Mission Control for flight recordings, heap analysis, and identifying hotspot methods in production Java applications.
Master Java's java.util.concurrent: Executors, ForkJoinPool, CountDownLatch, CyclicBarrier, Phaser, and thread pool patterns for high-performance apps.
Understand how the JVM's Just-In-Time compiler detects hot code, applies compilation thresholds, and manages the code cache for peak performance.
Understand how JVM JIT compiler optimizes code through inlining, escape analysis, and dead code elimination for peak application performance.
Learn how to use JMX and MXBeans to monitor JVM memory pools, perform hotspot diagnostics, and build custom MBeans for production observability.
A deep dive into the JVM architecture covering Class Loader, Runtime Data Areas, and Execution Engine components that power Java applications.
Master JVM flags configuration with this comprehensive guide covering standard, -X, and -XX options for production Java performance tuning.