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Introduction Master in Java with Springboot is a career-focused learning and certification path for professionals who want to build stron
Introduction Master in Java with Springboot is a practical certification path for developers, DevOps engineers, beginners, and engineerin
Introduction Master in Java with Springboot is a practical certification path for developers, DevOps engineers, beginners, and engineerin
Modern APIs are trending more and more away from monolith architecture towards smaller, independent services. Serverless applications are currently
Java 17 Text Blocks and Multiline Strings Tutorial (2026) Java 17 text blocks and multiline strings tutorial. Learn how to use text blocks
POJO in Java – What and Why? In Java, POJO stands for Plain Old Java Object. A POJO is a simple Java class that is not dependent on any sp
A POJO (Plain Old Java Object) is a simple Java class that is not tied to any special frameworks or restrictions. It is mainly used to represent data.
Encapsulation in Java is the process of wrapping data (variables) and the code that acts on that data (methods) together as a single unit, typically
Mastering Java 21 String Templates: A Comprehensive Tutorial Learn Java 21 string templates with practical examples and expert guidance in
Vectorizing Real-Time Kafka Events for RAG In the previous post, I set up pgvector and Ollama for embedding and vector search. Now I need t
MCP Client with LangChain4j: Connecting an Agent to Multiple Services In the previous post, I turned each microservice into an MCP server.
Day-1 1. How does HashMap work internally? Answer: High-Level Internal Structure Internally, HashMap uses: Array + LinkedList + Red-Black Tree (Java 8
Welcome back to the third part of my rolling blog on building CLIAR, a lightweight, transparent command‑line argument parser for Java. In Part 2, we
Most introductory articles draw it as an onion Every article about Hexagonal Architecture ends up with the same diagram: three concentric c
This post walks through building and running a real-world agentic workflow with Agentican and Quarkus. Specifically, an agentic workflow to automate
Are you struggling to edit ODT files programmatically in your Java applications? Many developers face challenges when it comes to manipulating documen
Introduction In part 2, we explained how to deploy and run our conference search application on the Amazon Bedrock AgentCore Runtime as the
Difficulty: Easy Topics: Array, Simulation Platform: Leetcode Problem Statement Given an array of positive integers nums, return an array
Hierarchy Collection Interface ↓ Queue Interface ↓ Deque Interface ↓ LinkedList class Declaration as Queue Queue q = new LinkedList();
Legacy .NET systems usually aren't "old code" so much as years of production rules, edge cases, integrations, and compliance work that the business st