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Java
Java
Array
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effective-java
Effective Java
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equals
hashCode
toString
clone
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Mutable Data Sharing
Excessive Synchronization
Finalizer & Cleaner
ExecutorService
Concurrent Utilities
Thread Safety Level
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readObject Method
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try-with-resources
Serialization Proxy Pattern
Enums
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Java Virtual Machine
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Spring
Spring
AOP (Aspect-Oriented Programming)
Beans
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EventListener
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Spring Cloud Gateway (Reactive Pipeline and Security Strategy)
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Spring Container
Spring Web MVC
Spring WebFlux
Testcontainers
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OOP
Object-Oriented Programming
Abstract
Function & Structure
Introduce
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SOLID
Type
MySQL
MySQL
Analyze Execution Plan
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Redis
Redis
Basic
Cache
Redis Cluster
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Data Structure
Data Structure Use Case
Key Management
Message Broker
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Kafka
Consumer Internals
Core Components
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Topic & Partition Internals
ZooKeeper & KRaft
ELK
ELK
Cluster and Node Architecture
Index and Document Model
Introduction
Docker
Docker
Architecture
Docker Compose
Dockerfile
Image and Container
Introduction
Networking
Security
Storage and Volume
Large-Scale System
Large Scale System
Circuit Breaker Pattern
Monolithic & Microservices Architecture
Rate Limiting Pattern
SAGA Pattern
Synchronous vs Asynchronous Communication
system-design-interview
System Design Interview
Basic
Design Ad Click Event Aggregation System
Design Chatting System
Design Cloud Storage Service
Design Consistent Hashing
Distributed Mail Service Design
Design Distributed Message Queue
Design E-Wallet
Design Hotel Reservation System
Design Key-Value Store
Design Map
Design Metrics Monitoring System
Design Nearby Friends Service
Design News Feed System
Design Notification System
Design Object Storage System
Design Payment System
Design Proximity Service
Design Rate Limiter
Design Real-time Game Leaderboard
Design Search Autocomplete System
Design Unique ID Generation For Distributed System
URL Shortening Service
Design Video Streaming Service
Design Web Crawler
Transactional Outbox Pattern
Test
Test
Test Double
Test Fixture
Test Guide
Testing Basic
AI-Assisted Development
AI Assisted Development
How AI Assistants Work
Claude Code Command and Operation Logic
Claude Code - Core Features Guide
Claude Code Skills Guide
Claude Context Management
Harness Engineering
Prompt Engineering for Developers
State-Persistent Planning Workflow
Setting
Development Environment Setup
Homebrew
GitHub Multiple Accounts
GitHub Verified Commit
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JVM (Java Virtual Machine) Version Control
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