Concept and Coding notes

Repo

Gitlab

Spring boot notes

• Drive
• Spring Boot Introduction
• Spring Boot setup
• 3. Introduction to Maven
• 4. Annotations Part1:
• 5. Bean and its Lifecycle
• 6. Dependency Injection:
• 7. Bean Scopes
• 8. Dynamically Initialized Beans
• 9. @ConditionalOnProperty Annotation
• 10. @Profile Annotation:
• 11. Spring Boot AOP (Aspect Oriented Programming):
• 12. Spring Boot Transactional Part1
• 13. Spring Boot Transactional Part2
• 14. Spring Boot Transactional Part3
• 15. Spring Boot Async Annotation Part1
• 16. Spring Boot Async Part2
• 17. Spring Boot Custom Interceptors
• 18. Spring boot Filters Vs Interceptors
• 19. Spring boot HATEOAS
• 20. Spring boot Response Entity and Response Codes
• 21. Spring boot Exception Handling
• 22. Spring boot JPA (part-1)
• 23. Spring boot JPA (part-2):
• 24. Spring boot JPA (part-3):
• 25. Spring boot JPA(Part-4)
• 26. Spring boot JPA(Part-5)

Java Notes

• java notes drive link
• 12. Java Enum, POJO and Final Classes Explained with Examples:
• 13. Java Singleton and Immutable Class Explained with Examples:
• 14. Java Interface in Depth - Part1:
• 15. Default, Static & Private Method in Interface - Java8 and Java9 features, Interfaces Part2:
• 16. Functional Interface and Lambda Expression - Java8 features:
• 17. Java Reflection in Depth (Using Examples)
• 18. Java Annotations with Examples
• 19. Exception Handling in Java with Examples
• 20. Operators in Java | Different Types of Operators in JAVA
• 21. Control Flow Statements in Java | Decision Making, Looping and Branching Statements
• 22. Collections in Java - Part1 | Java Collections Framework in depth:
• 23. Collections in Java - Part2 | Comparator Vs Comparable | PriorityQueue:
• 24. Collections in Java - Part3 | Deque and List in Depth
• 25. Collections in Java - Part4 | HashMap Internal Working in Java
• 26. Collections in Java - Part5 | LinkedHashMap and TreeMap in depth:
• 27. Collections in Java - Part6, SET
• 28. Streams in Java8
• 29. Multithreading and Concurrency in Java: Part1
• 30. Thread Creation, Thread Lifecycle and Inter-Thread Communication:
• 31. Thread Joining, Daemon Thread, Thread Priority
• 32. Locks and Condition | Java Multithreading Part4 | Reentrant, ReadWrite, Stamped & Semaphore Lock
• 33. Lock-Free Concurrency, Compare-and-Swap | Atomic & Volatile Variables:
• 34. Thread Pools in Java
• 35. Java8 CompletableFuture
• 36. Java ForkJoinPool
• 37. Java ScheduledThreadPoolExecutor
• 38. Java VirtualThreads vs Normal Threads

LLD

• 2. Strategy pattern
• 3. Observer pattern
• 4. Decorator Pattern
• 5. Factory and Abstract Factory:
  • part 2
• 7. Design Tic Tac Toe gam
• 8. Elevator System
• 9. LLD of Car Rental System
• 10. Chain of Responsibility
  • part 2
• 11. LLD of Snake and Ladder game
• 12. Hashmap Internal Implementation in java
• 13. Proxy Design Pattern
• 14. LLD of BookMyShow
• 16. Design Vending Machine
  • part 2
• 17. LLD of ATM
• 19. Design File System using Composite Design Pattern
  • notes
• 20. Adapter Design Pattern with Examples
  • notes
• 21. LLD of Splitwise
• 23. Builder Design Pattern
• 24. LLD of Cricbuzz
• 25. Facade design pattern
• 26. Bridge design pattern
• 27. All Creational Design Patterns
  • code
• 29. LLD of Inventory Management System
  • notes
• 30. Design Word Processor using Flyweight Design Pattern
  • notes
• 31. Design Undo, Redo feature with Command Pattern
• 32. All Structural Design Patterns
• 33. Iterator Design Pattern
• 34. Mediator Pattern
• 36. Visitor Design Pattern:
• 38. Memento Design Pattern
• 39. Template Method Design Pattern
• 40. Interpreter Design Pattern
• 41. LLD of Payment Gateway
• 42. Object Pool Design Pattern

HLD

• 16. Distributed Messaging Queue:
• 18. Load Balancer & Different Algorithms
• 19. Distributed Cache and Caching Strategies
• 20. Handle Distributed Transactions
• 21. Database Indexing:
• 23. Two Phase Locking (2PL)
• 24. OAuth 2.0
• 25. Symmetric & Asymmetric Encryption
• 26. JWT Explained
• 28. API Gateway
• 29. Service Mesh
• 30. DNS