Computer Programming
753 learners
Revisiting OOP Concepts
Essential OOP concepts in Java, including classes, objects, inheritance, polymorphism, and encapsulation, form the cornerstone of object-oriented design and programming. Mastering these concepts is crucial for understanding and effectively utilizing design patterns.
Java
6 lessons
30 practices
4 hours
Computer Science Fundamentals
Course details
Add Years Active to Musician Class
Fix the Copy Constructor Bug
Complete the Film Class Definition
Enhancing the Album Class with multiple Constructors
Implementing a Person Class
Meet Cosmo:
The smartest AI guide in the universe
Our built-in AI guide and tutor, Cosmo, prompts you with challenges that are built just for you and unblocks you when you get stuck.

Join the 1M+ learners on CodeSignal
Be a part of our community of 1M+ users who develop and demonstrate their skills on CodeSignal