#java

Concurrency in Java: When One Program Does More Than One Thing

Have you ever wondered how your phone can download something, play music, and still let you scroll through an app at the same time?

Binary Search — The Algorithm You Underestimate Every Single Day

Four lines of code, and Java shipped them broken in the standard library for eight years. The idea was never the hard part.

Recursion Isn’t the Problem. The Stack Is.

Recursive code can be perfectly correct and still crash. The reason isn’t recursion. It’s where the unfinished work gets stored.

🍕 Stop Overcomplicating the Decorator Pattern: Learn It by Building Pizza

How I finally understood the Decorator Pattern by solving a real problem first

🚀 Android Sharing Explained — Sharesheet, Intents & More

How do you properly share text, images, files, PDFs, or multiple pieces of content from an Android app?

Java Inheritance — Complete Guide for Interviews

Inheritance is one of the most important concepts of Object-Oriented Programming.

Abstract Classes vs Interfaces in Java — A Simple Guide

While learning Java, I came across abstract classes and interfaces. They looked quite similar at first, so I wanted to understand when to…

ColdFusion Certificate Truststore Mismatch After Java Upgrade

Gone After the Upgrade: Fixing ColdFusion Truststore Mismatch After a Java Update

Java Full Stack Developer Roadmap with Practical Projects and Placement

Rohan sent out forty job applications after a six-week React course and heard back from two companies. His code worked, but in an interview…

Understanding Java Arrays and Lists — The Theory Behind Representation, Information Hiding, and the…

Arbiter Guide Theory • Day 7 | Exploring the raw array as pre-abstraction storage, the Iterator pattern as information hiding applied to…

Learning Java from Scratch with Arbiter — Arrays & Core Collections: Ring Traversal, Iterator.remove

Day 7 of my Arbiter Learning Journey | Extracting concentric rings from a 2D array, removing safely from a live ArrayList with…

Tips On Migrating a Legacy Spring Boot Java 8 Project to Java 25

This is a practical, phase-by-phase playbook for moving a real, production Spring Boot application from Java 8 and Spring Boot 2.x to Java…

Distributed Transactions Without the Pain: SAGA and the Outbox Pattern in Spring Boot

A few years back, I got paged at 2 AM because customers were being charged for orders that didn’t exist. The payment service had done its…

Stop Writing switch Statements in Your Spring Boot Services

The Registry/Engine pattern, or how to let Spring do the dispatching for you

REST API Tasarımında Best Practice’ler: Temiz Kod, Güvenlik ve Performans.

Projeler ilk başladığında her şey çok masum görünür: Birkaç controller sınıfı, doğrudan veritabanına bağlanan metodlar ve “çalışıyorsa…

One Food Delivery App, Two Architectures: Monolith vs Microservices

You’re hungry, open your favorite food delivery app, find a restaurant, add a pizza to your cart, and hit Place Order.

Techniques to Expose Progress for Long-Running Jobs Without Polling Your Database to Death

Axelix goes GA. A journey of a thousand miles begins with a single step

Author: Mikhail Polivakha

We Split the Monolith Into Microservices to Move Faster, and Now Loading One Screen Takes Five…

The monolith was slow to work in, so we broke it apart, and we did not get speed, we got a distributed monolith, which is the same tangle…

🚀 If Linear Search Is O(n), Why Do Companies Still Use It?

“O(n) is slower than O(log n), right?

OpenJDK Banned AI-Assisted Contributions. It Can’t Enforce That.

The interim policy is still interim. Here’s what Java should adopt instead and why it matters for who contributes next.

Why Learning DSA with Java & Python Is Essential for Every Aspiring Software Developer

In today’s competitive IT industry, knowing a programming language alone isn’t enough. Companies evaluate candidates based on their ability…

Why Is Java Always Pass by Value? A Beginner-Friendly Explanation ⭐

After writing about why primitive data types copy values while objects copy references, I had another question:

Techniques: How to implement circuit breaker pattern without frameworks?

How to Start Your Software Development Career in 2026: A Complete Roadmap for Beginners

The software industry continues to create exciting opportunities for students, fresh graduates, and career changers. However, many aspiring…

Java 17 vs Java 25: Is It Finally Time to Upgrade Your Spring Boot App?

Most Java teams think Java 17 is still the safe, current choice for a Spring Boot service.

Database Migrations Done Right: Flyway vs Liquibase in Spring Boot

Your application code lives in Git. Every change is reviewed, versioned, and reproducible. You can check out any commit and rebuild the…

Why Pagination Matters: How Amazon, Flipkart, and LinkedIn Efficiently Handle Millions of Records

Understanding Pagination in Spring Boot with Real-World Examples

The Unsung Layer: Why the Service Layer Is Still the Most Valuable Thing in Your Stack

Frontend gets the applause. Databases get the respect. The service layer quietly delivers more value than either of them gets credit for

break vs return in Java: What's the Difference?

One of the most common sources of confusion for beginners is understanding when to use break and when to use return. They both stop…

Javada ConcurrentHashMap

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Apache Camel: Flattening the Curve

How Camel is getting easier to setup and develop

Java Basics — Input & Output

Hello! Welcome to my content… I’ll be honest here, I’m writing this for my personal reference- but I’m totally fine, sharing it with the…

Apache Camel: Flattening the curve

Part 2: How Camel is getting faster and general purpose

3.1. The OOP Core: Designing Better Classes with Inheritance.

If you’ve been following this series, in the last blog we built our very first class for a simple racing game. We created a Car class with…

GraalVM: The Capsule Corp of Modern Development

Introduction to GraalVM 🐰

G1 GC vs Z GC

G1 GC remains the safe default for most workloads. It balances throughput and low pause times using region-based collection with concurrent…

The Software Engineering Brief: GitHub Leak, AWS Billing, PixelSmash, Bijou64, React Rust, Jotai v2.

Welcome to this week’s Software Engineering Brief, bringing you the most critical architectural insights, security alerts, and frontend/AI…

Deep Learning in Java — Unveiling the Power of Softmax Function in Deep Learning: A Guide to…

Welcome to the Deep Learning in Java series.

LeetCode 371: Sum of Two Integers Explained | Java | Bit Manipulation | Blind 75

Learn how computers add numbers using XOR and Carry operations with visuals, dry runs, and interview tips

LeetCode 268: Missing Number Explained | Java | Bit Manipulation | Blind 75

Have you ever wondered how computers can quickly identify a missing value from a sequence of numbers without sorting or using extra memory?

CompletableFuture in Practice: 3 Patterns Every Java Developer Uses

Retry without blocking threads, load data once per key, and pick the right concurrency tool.

Stop Hand-Juggling JDKs: Automatic Per-Project Java Versions with Jolta

Best in class Java Version Management

Why I Chose Java in 2026: Starting My Journey in the Age of AI

☕ Java With Chitrika

Everything About Fail-fast and Fail-safe Iterators

What is a fail-fast iterator?

Kafka record headers in Stateful Functions

Apache Stateful Functions never let a function see Kafka record headers, and never let it set them. Five years, no headers. StateFun Actors…

Understanding Your First Java Program

A Java program may look intimidating at first, but every part has a clear purpose. In this tutorial, we will examine a simple Java program…

LeetCode 190: Reverse Bits Explained | Java | Bit Manipulation | Blind 75

Have you ever wondered how computers reverse the order of bits inside an integer?

Java Full Stack Course

Java Full Stack Course in Hyderabad enables you to develop entire web solutions right from designing user-friendly interfaces to managing…

LeetCode 191: Number of 1 Bits Explained | Java | Bit Manipulation | Blind 75

Learn the intuition behind Number of 1 Bits using visuals, dry runs, multiple approaches, and interview tips