Java + Spring Boot Blueprint (Blog 10 — OOP in Java (Complete Guide: Classes, Package, 4 Pillars &…

📰 Medium · Programming

Master Object-Oriented Programming in Java with this complete guide, covering classes, inheritance, polymorphism, and more

beginner Published 15 Apr 2026
Action Steps
  1. Read the guide on Medium to understand the basics of OOP in Java
  2. Create a new Java project using Spring Boot to practice OOP concepts
  3. Define classes and objects in Java using the guide as reference
  4. Apply inheritance and polymorphism in Java to create reusable code
  5. Test and run Java programs to see OOP concepts in action
Who Needs to Know This

Java developers, software engineers, and students can benefit from this guide to improve their understanding of OOP concepts in Java

Key Insight

💡 OOP in Java is based on four pillars: encapsulation, abstraction, inheritance, and polymorphism

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