Java

Understand how JVM executes Java code. Explore the Interpreter, JIT Compiler with hotspot optimization, tiered compilation (C1/C2), and Garbage Collection mechanisms that make Java performant.

Master JVM memory architecture. Learn about Heap structure (Young Gen, Old Gen), Stack frames, Metaspace, and how the JVM manages memory across threads for optimal performance and safety.

Deep dive into JVM class loading mechanisms. Understand Bootstrap, Platform, and Application ClassLoaders, lazy loading strategy, and how dynamic class loading enables Java flexibility and modularity.

A comprehensive series covering JVM internals, from class loading architecture to memory management and execution engine optimization. Master the foundations that make Java powerful, performant, and portable across platforms.

The Factory Method pattern provides an interface for creating objects in a superclass, but allows subclasses to alter the type of objects that will be created. Learn how to implement this fundamental creational design pattern in Java with real-world examples and best practices.

The Abstract Factory pattern provides an interface for creating families of related or dependent objects without specifying their concrete classes. Learn how to implement this powerful creational design pattern in Java with real-world examples and best practices.

SDKMAN is a powerful tool for managing multiple versions of Java and other JVM-based technologies. Learn how to install SDKMAN and use it to effortlessly manage Java installations on your development machine.

GitHub Packages is a software package hosting service that allows you to host your packages privately or publicly. Learn how to configure your Maven project and set up GitHub Actions to automatically publish your Java packages to GitHub Packages registry with proper authentication and version management.

Java 8 key features