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🌀 Circular Array Problems — The Ultimate Interview Guide

🌀 Circular Array Problems — The Ultimate Interview Guide

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4 min read

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🚀 Serialization and Deserialization in Java: Objects vs JSON

🚀 Serialization and Deserialization in Java: Objects vs JSON

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2 min read
🚀 Building Container Images with Spring Boot Buildpacks (No Dockerfile, No Jib)

🚀 Building Container Images with Spring Boot Buildpacks (No Dockerfile, No Jib)

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2 min read
🚀 Building Container Images with Spring Boot Buildpacks (No Dockerfile, No Jib)

🚀 Building Container Images with Spring Boot Buildpacks (No Dockerfile, No Jib)

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2 min read
🚀 How to Build, Tag, and Push Docker Images to a Private Repository

🚀 How to Build, Tag, and Push Docker Images to a Private Repository

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2 min read
🚀 Containerizing Java Applications with Google Jib (No Dockerfile Needed)

🚀 Containerizing Java Applications with Google Jib (No Dockerfile Needed)

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2 min read
🔁 Blog (Recursion Edition): Recursive & Top-Down Solutions for Common Interview Patterns

🔁 Blog (Recursion Edition): Recursive & Top-Down Solutions for Common Interview Patterns

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7 min read
🚀 Blog 12: Dynamic Programming (Mega Edition) — DSA Prep

🚀 Blog 12: Dynamic Programming (Mega Edition) — DSA Prep

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4 min read
🚀 Blog 11: Graph Algorithms — DSA Prep (Mega Edition)

🚀 Blog 11: Graph Algorithms — DSA Prep (Mega Edition)

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5 min read
🚀 Blog 10: Greedy Algorithms — DSA Prep

🚀 Blog 10: Greedy Algorithms — DSA Prep

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4 min read
🚀 Blog 8: Backtracking & Recursion — Expedia DSA Prep

🚀 Blog 8: Backtracking & Recursion — Expedia DSA Prep

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3 min read
🚀 Blog 7: Heap & Priority Queue — Expedia DSA Prep

🚀 Blog 7: Heap & Priority Queue — Expedia DSA Prep

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2 min read
🚀 Blog 6: Prefix/Suffix Sum & Greedy — Expedia DSA Prep

🚀 Blog 6: Prefix/Suffix Sum & Greedy — Expedia DSA Prep

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2 min read
🚀 Blog 5: Sliding Window & Monotonic Queue — Expedia DSA Prep

🚀 Blog 5: Sliding Window & Monotonic Queue — Expedia DSA Prep

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2 min read
🚀 Blog 4: Trees & Graphs — Expedia DSA Prep

🚀 Blog 4: Trees & Graphs — Expedia DSA Prep

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2 min read
🚀 Blog 3: Linked List Patterns — Expedia DSA Prep

🚀 Blog 3: Linked List Patterns — Expedia DSA Prep

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2 min read
🚀 Blog 2: Dynamic Programming — Expedia DSA Patterns

🚀 Blog 2: Dynamic Programming — Expedia DSA Patterns

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2 min read
📌 Blog Series: Expedia DSA Interview Patterns with Java Code

📌 Blog Series: Expedia DSA Interview Patterns with Java Code

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2 min read
🚀 Fast & Slow Pointers (Floyd’s Cycle Detection Algorithm)

🚀 Fast & Slow Pointers (Floyd’s Cycle Detection Algorithm)

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3 min read
🔥 Blog 3: Segment Tree & Fenwick Tree (BIT) — Range Queries Made Easy

🔥 Blog 3: Segment Tree & Fenwick Tree (BIT) — Range Queries Made Easy

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3 min read
🔥 Blog 2: Topological Sort & Kahn’s Algorithm in DSA

🔥 Blog 2: Topological Sort & Kahn’s Algorithm in DSA

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3 min read
🔥 Blog 1: String Matching Algorithms in DSA (KMP, Rabin-Karp, Z-Algorithm)

🔥 Blog 1: String Matching Algorithms in DSA (KMP, Rabin-Karp, Z-Algorithm)

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3 min read
Mastering Prefix & Suffix Problems in DSA (with Java Code)

Mastering Prefix & Suffix Problems in DSA (with Java Code)

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4 min read
Mastering Binary Tree Views and Traversals in Java

Mastering Binary Tree Views and Traversals in Java

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4 min read
🔡 Mastering the Trie (Prefix Tree) in Java

🔡 Mastering the Trie (Prefix Tree) in Java

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3 min read
The Producer-Consumer Problem in Multithreading: A Practical Guide

The Producer-Consumer Problem in Multithreading: A Practical Guide

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3 min read
Spring Boot Logging to File with Pattern Layout, Package-specific Levels, and Rolling Policies

Spring Boot Logging to File with Pattern Layout, Package-specific Levels, and Rolling Policies

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6 min read
Why Threads Are Expensive — And Why Thread Creation Is Even More Costly

Why Threads Are Expensive — And Why Thread Creation Is Even More Costly

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3 min read
Expert-Level Low-Level Design Template

Expert-Level Low-Level Design Template

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20 min read
🚗Designing a Scalable Parking Lot System — An LLD Interview Walkthrough

🚗Designing a Scalable Parking Lot System — An LLD Interview Walkthrough

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3 min read
🚀 Spring Boot Microservice Orchestration with Temporal

🚀 Spring Boot Microservice Orchestration with Temporal

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4 min read
Grid DP / Pathfinding Template

Grid DP / Pathfinding Template

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3 min read
🧠 MASTER TEMPLATE #2: DP on Strings / Sequences

🧠 MASTER TEMPLATE #2: DP on Strings / Sequences

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3 min read
🧠 BACKTRACKING MASTER TEMPLATE

🧠 BACKTRACKING MASTER TEMPLATE

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2 min read
🧠 MASTER GUIDE: Problem-Solving Templates

🧠 MASTER GUIDE: Problem-Solving Templates

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3 min read
🧱 Mastering Enums in Java: Why, Where, and How to Use Them

🧱 Mastering Enums in Java: Why, Where, and How to Use Them

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4 min read
🛡️ Modern Database Backup Strategies: Techniques, Trade-offs & Real-World Usage in Top Tech Companies

🛡️ Modern Database Backup Strategies: Techniques, Trade-offs & Real-World Usage in Top Tech Companies

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4 min read
🧠 Programming Paradigms: The Ultimate Guide for Modern Developers

🧠 Programming Paradigms: The Ultimate Guide for Modern Developers

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3 min read
💳 Implementing Strategy Design Pattern in a Shopping Cart System [Java LLD + Balance Check]

💳 Implementing Strategy Design Pattern in a Shopping Cart System [Java LLD + Balance Check]

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3 min read
👀 Observer Design Pattern — Java LLD + UML + Real-World Use Cases

👀 Observer Design Pattern — Java LLD + UML + Real-World Use Cases

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2 min read
🌳 Composite Design Pattern — Java LLD + UML + Real Use Cases

🌳 Composite Design Pattern — Java LLD + UML + Real Use Cases

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2 min read
🧾 State Design Pattern – LLD + Java + Real-World Use Case

🧾 State Design Pattern – LLD + Java + Real-World Use Case

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3 min read
🎁 Decorator Design Pattern — LLD + Java + Real Use Cases

🎁 Decorator Design Pattern — LLD + Java + Real Use Cases

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2 min read
🧭 Mediator Design Pattern – Java LLD + UML + Real Use Case

🧭 Mediator Design Pattern – Java LLD + UML + Real Use Case

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2 min read
🔷 GoF Design Patterns Cheatsheet

🔷 GoF Design Patterns Cheatsheet

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3 min read
🛡️ Proxy Design Pattern – Explained with Real-World Java Examples

🛡️ Proxy Design Pattern – Explained with Real-World Java Examples

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2 min read
🚫 Null Object Pattern – LLD with Java Implementation & UML

🚫 Null Object Pattern – LLD with Java Implementation & UML

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2 min read
🔐 Refactoring to `ReentrantLock` + `Condition`: Clean, Scalable Concurrency

🔐 Refactoring to `ReentrantLock` + `Condition`: Clean, Scalable Concurrency

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2 min read
🔄 Mastering `notify()` and `notifyAll()` in Java: Thread Signaling with Real-World Examples

🔄 Mastering `notify()` and `notifyAll()` in Java: Thread Signaling with Real-World Examples

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3 min read
🥤 Designing a Vending Machine in Java — LLD with OOP and Design Patterns

🥤 Designing a Vending Machine in Java — LLD with OOP and Design Patterns

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4 min read
🛗 Designing an Elevator System in Java – LLD with OOP and Design Patterns

🛗 Designing an Elevator System in Java – LLD with OOP and Design Patterns

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3 min read
Designing a Scalable Notification System in Java using Strategy, Factory, and Observer Patterns

Designing a Scalable Notification System in Java using Strategy, Factory, and Observer Patterns

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2 min read
💳 Designing an ATM System in Java – A Complete Low-Level Design Guide

💳 Designing an ATM System in Java – A Complete Low-Level Design Guide

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4 min read
🔍 How to Write High-Signal Prompts for Accurate Results from AI Tools

🔍 How to Write High-Signal Prompts for Accurate Results from AI Tools

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4 min read
📌 Why You Should Use a Custom Exception Handler in Your Application

📌 Why You Should Use a Custom Exception Handler in Your Application

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3 min read
Technical Debt: The Silent Killer of Software Agility

Technical Debt: The Silent Killer of Software Agility

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4 min read
🧠 Mastering DDD, Ubiquitous Language, and Cross-Team Communication: A Practical Guide for Modern Software Architects

🧠 Mastering DDD, Ubiquitous Language, and Cross-Team Communication: A Practical Guide for Modern Software Architects

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4 min read
Understanding Class Loaders in Java

Understanding Class Loaders in Java

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1 min read
🌐 How Does Your Browser Know the IP Address of a DNS Server?

🌐 How Does Your Browser Know the IP Address of a DNS Server?

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4 min read
🛠️ Build Your Own X — The Ultimate Engineering Challenge

🛠️ Build Your Own X — The Ultimate Engineering Challenge

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4 min read
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