🚀 Java Mastery Roadmap
Complete guide to mastering Java programming from fundamentals to advanced concepts
📚 1. Java Fundamentals
Section titled “📚 1. Java Fundamentals”1.1 Core Concepts
Section titled “1.1 Core Concepts”- 0. Class & Objects - Understanding classes and objects
- 1. OOPS - Object-Oriented Programming principles
- Equals vs == equals() - Object equality vs reference equality
- 2. Static keyword in Java - Static members and their usage
- 4. Enums - Enumeration types and their features
1.3 Memory & Object Management
Section titled “1.3 Memory & Object Management”- Shallow vs deep copy - Object copying strategies
🔧 2. Java Internals & Advanced Features
Section titled “🔧 2. Java Internals & Advanced Features”2.2 Security & Best Practices
Section titled “2.2 Security & Best Practices”- Passwords in java - Secure password handling
- 3. Exception Handling - Robust error handling strategies
📦 3. Collections Framework
Section titled “📦 3. Collections Framework”Note: Collections folder contains comprehensive notes on Java Collections Framework
3.1 Framework Overview
Section titled “3.1 Framework Overview”- 1. Java Collections Framework - Collection hierarchy and design
- 2. Collection Iteration - Different ways to iterate collections
- 3. Comparator vs Comparable - Object comparison strategies
3.2 Collection Types
Section titled “3.2 Collection Types”- List Interface - 4. List Interface
- Queue Interface - 5. Queue
- Set Interface - 6. Set
- Stack - 7. Stack
- Map Interface - 8. Map
⚡ 4. Concurrency & Multithreading
Section titled “⚡ 4. Concurrency & Multithreading”4.1 Threading Fundamentals
Section titled “4.1 Threading Fundamentals”- 0. Concurrency vs Parallelism - Introduction to concurrent programming
- 1. Threads - Thread basics and lifecycle
- 2. Synchronization - Thread coordination and safety
- 3. Multithreading Locks - Lock mechanisms and synchronization
- 4. Asynchronous Programming in Java - Async programming patterns
- 5. Executor Service - Thread pool management
- 6. Executors utility Class - Predefined thread pool configurations
🎓 5. Interview Preparation
Section titled “🎓 5. Interview Preparation”Output-Based Questions
Section titled “Output-Based Questions”- Output-Based Java Questions - Tricky Java output questions
Multithreading Problems
Section titled “Multithreading Problems”- Superman Problem - Complex synchronization scenario
- Multithreaded FizzBuzz Problem - Classic problem with threads
- Dining Philosophers Problem - Classic synchronization problem
- Bathroom Protocol Design - Resource sharing protocol
- Reader-Writer Lock Implementation - Read-write lock pattern
- Custom Semaphore - Semaphore implementation
- Thread Safe Deferred Callback - Thread-safe callback mechanism
- Token Bucket Problem - Rate limiting implementation
- Producer and Consumer Pattern - Producer-consumer synchronization
📖 7. Additional Resources
Section titled “📖 7. Additional Resources”- java.pdf - Java reference material
- Java Interview Questions.pdf - Java interview questions
- Concept and Coding notes - Concept and coding