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Java Object Basics: Functions, Recursion, and Objects

Codio via Coursera


Code and run your first Java program in minutes without installing anything!

This course is designed for learners with limited coding experience, providing a solid foundation of not just Java, but core Computer Science topics that can be transferred to other languages. The modules in this course cover functions, recursion, objects, and mutability. Completion of the prior 2 courses in this specialization are recommended.

To allow for a truly hands-on, self-paced learning experience, this course is video-free. Assignments contain short explanations with images and runnable code examples with suggested edits to explore code examples further, building a deeper understanding by doing. You'll benefit from instant feedback from a variety of assessment items along the way, gently progressing from quick understanding checks (multiple choice, fill in the blank, and un-scrambling code blocks) to small, approachable coding exercises that take minutes instead of hours.


  • User-Defined Methods
    • Re-use pieces of code by wrapping them in functions. You can create functions that take in and/or return data.
  • Recursion
    • Use recursion for special cases of iteration.
  • Introduction to Objects
    • Learn about user-defined classes and how to use them to create objects.
  • Mutability
    • Change the attributes associated with an object through methods.

Taught by

Patrick Ester, Anh Le and Elise Deitrick

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