Java Functional Programming Tutorials

Introduction

• Introduction to Functional Programming in Java

Imperative VS Declarative Programming

• Imperative VS Declarative Part 1
• Imperative VS Declarative Part 2

Lambdas and Functional Interfaces in Java

• Intro to Lambda Expression in Java
• Functional Interfaces in Java
• Consumer Interface
• BiConsumer Interface
• Predicate Interface
• BiPredicate Interface
• Function Interface
• BiFunction Interface
• UnaryOperator Interface
• BinaryOperator Interface
• Supplier Interface

Method and Constructor References in Java

• Method Reference
• Constructor Reference

Java Streams API

• Intro to Streams API
• Streams VS Collections
• Streams – map() operation
• Streams – flatMap() operation
• Streams – filter() operation
• Streams – distinct() operation
• Streams – count() operation
• Streams – sorted() operation
• Streams – min() and max() operations
• Streams – limit() and skip() operations
• Streams – allMatch() operation
• Streams – anyMatch() operation
• Streams – noneMatch() operation
• Streams – reduce() operation
• Streams – findFirst() operation
• Streams – findAny() operation
• Streams – IntStream class
• Streams – LongStream class
• Streams – DoubleStream class
• Streams – collect() operation
• Streams – groupingBy() operation

Optional in Java

• Intro to Optional class
• Optional – isPresent() and ifPresent()
• Optional – orElse(), orElseGet(), orElseThrow()
• Optional – filter() operation
• Optional – map() and flatMap() operations

Parallel Streams in Java

• Intro to Parallel Streams API
• Parallel Streams – Performance Testing
• Parallel Streams – How does it work?
• Parallel Streams – When to use?