Blog

My thoughts on software engineering, Java, and backend development.

January 22, 2026•5 min read

Your First Hello World with Spring AI Will Be Easier Than You Think!

SpringSpring AIJava

January 14, 2026•6 min read

How does HashSet work internally, and how does it ensure unique elements?

JavaCollectionsHashSet

January 12, 2026•6 min read

🧠 From Java Collections to Interview Readiness

JavaCollectionsInterview

January 10, 2026•6 min read

Java Collections in Real Systems | Part 3: Map

JavaCollectionsMap

January 9, 2026•6 min read

Java Collections in Real Systems | Part 2: List

JavaCollectionsList

January 8, 2026•6 min read

Java Collections in Real Systems | Part 1: Set

JavaCollectionsSet

January 3, 2026•4 min read

List, Set, and Map: Key Differences in Java Collections

JavaCollections

December 30, 2025•7 min read

Why "It Works in Tests" Is Not the Same as "It Works in Production"?

TestingProductionEngineering

December 28, 2025•7 min read

BigO Isn't Performance And That's Where Many Engineers Get Stuck

AlgorithmsBigOPerformance

December 15, 2025•6 min read

How HashMap Resolves Collisions And Its Limitations?

JavaCollectionsData Structures

December 10, 2025•5 min read

Auto-Encapsulation in Java: Useful or Exaggerated?

JavaOOPRefactoring

November 24, 2025•7 min read

Synchronous vs Reactive: Is Your Server Working or Just Waiting in the Kitchen?

SpringReactivePerformance

November 16, 2025•6 min read

JWT is not authentication and understanding this changes everything!

SecurityJWTAuthentication

November 12, 2025•6 min read

When Code Feels Beautiful: Hexagonal vs DDD

ArchitectureDDDDesign Patterns

November 10, 2025•5 min read

This is a Tree or a Graph?

AlgorithmsData StructuresGraphs

November 4, 2025•5 min read

JPARepository vs CRUDRepository: What's the difference?

November 2, 2025•5 min read

Refactoring: Quick wins or long-term gains?

VueRefactoringBest Practices

October 31, 2025•5 min read

Java Records: A Sophisticated Way to Build DTOs

October 27, 2025•5 min read

The day that all my problem was a simple comma

VueFrontendJavaScript

October 22, 2025•6 min read

Can we escape from digital era?

BlockchainCryptoTechnology

December 15, 2024•6 min read

Why Framework "Magic" Can Be More Dangerous Than Plain Java

SpringJavaSneakyThrows