Java Functional Programming: A Beginner's Guide โ€” WalkSelf
โฑ 3h ๐Ÿ“š 30 lessons

Java Functional Programming: A Beginner's Guide

Learn to write concise and powerful Java code using functional programming principles, including lambda expressions and the Streams API.

  • ๐Ÿ’ฌ AI instructor
    Ask about any lesson and get a clear answer instantly, anytime.
  • ๐Ÿ• Start anytime
    No schedules or deadlines โ€” learn at your own pace, whenever suits you.
  • ๐ŸŒ In English
    Lessons, tasks and certificate โ€” all fully in your language.

About this course

Are you looking to write more expressive, efficient, and maintainable Java code? Functional programming offers a powerful paradigm shift that can transform your approach to problem-solving. This course provides a foundational understanding of functional programming concepts within Java, enabling you to leverage modern language features to build robust and scalable applications. You will gain the skills to refactor traditional imperative code into a functional style, improving readability and reducing common errors.What you'll learn: Understand fundamental functional programming concepts and their benefits. Implement lambda expressions for concise, inline code in Java. Process data efficiently using the Java Streams API for collections. Manage optional values gracefully with the `Optional` class to prevent null pointer issues. Refactor existing imperative code into a more expressive functional style. Utilize method references and constructor references for enhanced code readability and brevity. The course begins with foundational functional concepts, then progresses through practical applications of lambda expressions, the Streams API, and other key Java features. You will learn by reading explanations and working through hands-on coding exercises. This course is designed for absolute beginners to functional programming in Java. No prior experience with functional programming paradigms is required, only a basic understanding of Java syntax and object-oriented concepts. Start your journey into modern Java development today.

What you'll get

  • ๐Ÿ“œ Certificate of completion
    Add it to your LinkedIn profile
  • ๐Ÿ’ฌ Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • โ™พ๏ธ Lifetime access
    Come back anytime, no expiry
  • ๐Ÿ“ฑ Phone or computer
    Works anywhere, any device
  • ๐Ÿ’ธ 14-day refund
    No questions asked
  • โšก Short & focused
    3h of practical content

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We donโ€™t store card details โ€” Stripe handles them securely.

Can I get a refund? +

Yes โ€” full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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