Welcome to the Core Java section of BootBackend!

This page is your go-to resource for mastering the fundamentals of Java. Whether you’re a beginner starting your journey or a developer brushing up your basics, these topics will help you build a strong foundation.


📌 Topics Covered

  • Introduction to Java
  • Java Architecture (JVM, JRE, JDK)
  • Data Types and Variables
  • Operators and Expressions
  • Control Flow (if, switch, loops)
  • Arrays and Strings
  • Object-Oriented Programming (OOP) Concepts
  • Classes, Objects, and Constructors
  • Inheritance, Polymorphism, Encapsulation, Abstraction
  • Exception Handling
  • Interfaces and Abstract Classes
  • Java Collections Framework
  • Input/Output (IO) in Java

📚 Learn by Doing

Each topic includes:

  • Simplified explanations
  • Code examples
  • Interview tips
  • Practice problems

🔗 Start Reading

👉 What is the JVM?


Stay tuned and bookmark this page for weekly updates! 🚀