G ∘ F Patterns

Explore how Java 8 lambda expressions revolutionize design patterns in this Devoxx conference talk. Discover how to reimagine and simplify Gang of Four patterns using functional programming concepts. Learn to leverage higher-order functions and remove unnecessary object-oriented infrastructure from your code through live coding examples. Gain insights from Mario Fusco, a Java Champion and senior software engineer at Red Hat, as he demonstrates the power of functional programming in Java, covering topics such as object wrapping, static functions, strategy patterns, observers, function composition, and the chain of responsibility pattern.

Introduction
Object wrapping
Static function
Runnable function
lambdas
strategy
behavior
publish
signal
lambda
observer
salary calculator
double unary
function composition
channel responsibility
chain of responsibility
interpreter
map