Lambdas in Java - From Zero to Hero

Unlock the power of modern Java with this comprehensive course on Java 8 Lambdas and Streams! Master the core concepts and significantly enhance your coding skills.

This in-depth course provides a practical understanding of Lambda expressions and the Stream API, essential tools for writing concise and efficient Java code. You'll gain confidence through numerous exercises with detailed solutions at the end of each section.

Here's what you'll learn:

• Functional Programming Fundamentals:
  • The Strategy Pattern and its application.
  • Solving problems with Anonymous Classes.
  • The necessity and benefits of Lambda Expressions.
  • Writing Concise Code with Lambda Expressions.
  • Understanding Higher-Order Functions.
• Lambda Expression Internals:
  • A deep dive into bytecode using javap.
  • The role of the invokedynamic bytecode instruction.
  • Understanding Method Handles.
• Functional Interfaces:
  • Explore commonly used interfaces: Predicate, Function, Supplier, Consumer, BiConsumer.
  • Learn how and where to apply these interfaces effectively.
  • Discover their internal usage within the JDK library.
• Functional Programming Techniques:
  • Function Composition: Combining functions for complex operations.
  • Method References: A more concise way to represent lambda expressions.
• Stream API Mastery:
  • In-depth exploration of the Comparator interface.
  • Utilizing key Stream API methods: filter, map, collect, sorted, distinct.
  • Understanding the fundamental concept of a Stream.
  • Key characteristics of Streams and their benefits.
• Optional API:
  • Effective use of the Optional API for handling null values.
  • Implementing short-circuiting operations within the Stream pipeline.
• Primitive Streams & Reduction:
  • Understanding the need for Primitive Streams.
  • Leveraging Reduction operations and the importance of the identity value.
• Collectors API:
  • Exploring the capabilities of the Collectors API.
  • Utilizing flatMap and other methods for stream creation.
• Parallel Streams:
  • Understanding Moore's Law and its relevance to parallel processing.
  • Why and when to use Parallel Streams.
  • The underlying infrastructure behind Parallel Streams.
  • How Reduction works in parallel streams.
  • The role of the Spliterator in parallel stream processing.
• Debugging & Visualization:
  • Learn to debug and visualize Java 8 Streams using Eclipse & IntelliJ.

Bonus: Receive a focused PDF guide on Java 8 Lambdas & Streams, complete with fresh examples, best practices, and a quick reference table for coding and interviews.

Need help? I offer full support, 7 days a week, to answer any questions you may have.

Java Version: While the demos use Java 14 (the latest version), the course focuses on the core features introduced in Java 8, including Lambdas and Streams. The concepts are applicable across modern Java versions.

Transform your Java development skills and write cleaner, more efficient code. Enroll now and become a Java expert!