Chapter 8 — Lambdas & Functional Interfaces
Complete guide to lambda expressions, method references, built-in functional interfaces (Supplier, Consumer, Function, Predicate, UnaryOperator, BinaryOperator), variable capture rules, and functional composition with andThen/compose.
Java Functional Interfaces & Functional Factory Pattern
In-depth architectural analysis of Java's core functional interfaces (Supplier, Consumer, Function, Predicate), JVM invokedynamic mechanics, LambdaMetafactory linkage, capturing closures vs singleton caching, and replacing GoF Factory patterns with modern functional registries.
