Java Fundamentals Skill Master core Java programming with production-quality patterns. Overview This skill covers Java fundamentals including syntax, OOP, collections, streams API, and exception handling for Java 8-21. When to Use This Skill Use when you need to: - Write clean, idiomatic Java code - Design classes following OOP principles - Choose appropriate collection types - Implement functional programming patterns - Handle exceptions properly Topics Covered Core Syntax (Java 8-21) - Variables, data types, operators - Control flow, methods, classes - Records (Java 16+), sealed classes (Ja…