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Video course on writing Java code in a functional style. Starting from bootstrapping a small application, it compares imperative and declarative approaches, then works through the java.util.function package (Function, BiFunction, Consumer, BiConsumer, Predicate, Supplier), Java Streams, Optionals, lambdas, primitives, JavaScript-like callbacks, and the implementation of the Combinator pattern, closing with the general properties of functional programming. Aimed at developers who already know Java basics and want to adopt functional techniques.
