Java Learning Portal

Core Java

📘 Java Foundation

📗 Variables & Data Types

📙 Operators

📕 Arrays

Object Oriented

🧩 OOP Concepts

Advanced

🧠 Memory Management

🔤 String Deep Down

⚠️ Exceptions

📦 Collections ›

📚 Collections Theory

🧪 Practice Code

🧪 Advance Practice Code

⚠️ MultiThreading

📚 Java 8 Feature

🧩 Generics

📘 Reflection

📗 Annotation

📙 Enums

📕 File Handling

🧩 Serialization

🗑️ Garbage Collection

⚙️ JVM Internals

🏗️ Design Patterns

🧱 SOLID Principles

🧰 Important Core APIs

Interview Prep

💻 Interview Coding Practice

🎯 Final Revision & Mock

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