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Programming Language

Master lambda Functional Programming with Java Streams

Harness the power lambda of the Java Streams API to write clean, efficient, and modern Java code using functional programming principles

100 learners are taking this course

  • professional
lambda
lambda-functions
java
Java
Lambda
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What you will learn!

  • Learn how to use lambda expressions, method references, and functional interfaces to write more concise, readable, and maintainable code.

  • Gain hands-on experience with stream creation, transformation, filtering, aggregation, and parallel processing to handle collections in a functional style.

What Students Will Learn in This Course

  • How to use lambda expressions and method references effectively

  • The structure and components of the Java Streams API

  • Creating and manipulating streams from collections, arrays, and files

  • Intermediate operations such as filter(), map(), sorted(), and distinct()

  • Terminal operations like forEach(), collect(), reduce(), and count()

  • How to group, partition, and summarize data using Collectors

  • Working with primitive streams like IntStream, DoubleStream, and LongStream

  • Implementing parallel streams for better performance in large data sets

  • Handling nested data structures with flatMap()

  • Real-world use cases and scenarios where functional programming shines

  • Differences between traditional loops and functional-style operations

  • Writing cleaner, more concise, and maintainable code using functional patterns

  • Best practices and performance tips for using streams

  • Common pitfalls and how to debug stream operations

  • Understanding lazy evaluation and stream pipeline processing

  • Using optional with streams for safer null handling

  • Combining streams and collectors in advanced transformations

  • Testing and debugging functional-style Java code Lambda, lambda-functions, Java

  • Building a complete data transformation project using functional programming

Nice To me Too

specializes in creating practical, results-driven courses on topics such as functional programming, full-stack development, cloud computing, and certification preparation. Each course is built with clarity, structure, and real-world relevance—designed to help learners not just understand concepts, but apply them confidently.

Known for clear explanations, engaging projects, and step-by-step guidance.

Highlights of the Course

  • Hands-On Learning:
    Learn by doing with practical coding exercises and real-world examples.

  • Complete Guide to Java Streams API:
    Covers all stream operations, including filtering, mapping, reducing, collecting, and more.

  • Functional Programming Made Easy:
    Step-by-step guidance to adopt a modern, functional approach in your Java code.

  • Includes Advanced Features:
    Master grouping, partitioning, flatMap, primitive streams, and parallel processing.

Lambda By Example

  1. Real-World Capstone Project:
    Build a complete data transformation pipeline using functional programming concepts.

  2. Streamlined for Java 8 and Beyond:
    Designed for compatibility with Java 8, 11, 17+, covering both fundamentals and newer features.

Lambda + Java

FAQ

Frequently Asked Questions

Q: Which version of Java is used in this course?
A: The course is based on Java 8 and above, as that’s when the Streams API and lambda expressions were introduced. Java 11 or later is recommended for full compatibility.

Q: Do I need prior experience with functional programming to take this course?
A: No prior experience is required. This course starts with the fundamentals of functional programming in Java and gradually builds up to advanced concepts.

Q: Can I ask questions during the course?
A: Absolutely. You’ll have access to a Q&A section where you can ask anything and get help.

Recommended for
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Who is this course right for?

  • It's recommended that learners have a basic understanding of Java syntax, object-oriented programming concepts, and working with collections (like List, Map, etc.) before starting the course.

  • To get the most out of the hands-on exercises and projects, it's helpful to use a Java IDE that supports real-time code execution and debugging.

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Learners

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Reviews

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I’m an experienced instructor with a strong background in web development, business strategy, and career management. I’ve helped individuals and companies build successful websites, launch and grow businesses, and navigate their professional paths with confidence. My approach combines real-world experience with practical teaching, offering learners the tools and strategies they need to achieve their goals — whether starting a business, building a digital presence, or advancing their careers.

Curriculum

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16 lectures ∙ (44min)

Published: 
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