MSManikandan Sinmanikandan4411.hashnode.dev·7h ago · 6 min readJava CollectionsJava Collections Framework provides a set of interfaces, classes, and methods for storing and manipulating groups of objects. It makes it easier to store, search, sort, and process data in Java. 1. W00
RKRudyard Kiplinginnews-room.hashnode.dev·1d ago · 3 min readWhy Your JavaScript Calendar Shows the Wrong Date and How to Prevent ItYour event calendar looks correct on your laptop. A visitor opens the same page from another country and sees the previous day. The database has not changed. Your content editor entered the correct da00
DSDoogal Simpsonindoogal.dev·2d ago · 5 min readInside Java Card: JVM for Battery-Less MicrocontrollersJava Card powers billions of SIM and bank cards using a highly stripped-down JVM designed for battery-less microcontrollers. By flipping traditional memory management on its head, it stores the object00
LPLeon Penningsinblog.leonpennings.com·2d ago · 19 min readWhat AI Context Limitations Teach About Software DevelopmentAsk an AI coding assistant to fix a bug in one file, and there's a decent chance it patches the symptom at the call site rather than the logic several layers away that's actually causing it. That orig00
DDenisindenis111.hashnode.dev·2d ago · 15 min readStreaming Large File Uploads in Java Without Killing Your ServerWhy MultipartFile breaks under real load, and how to stream large uploads without ever buffering the whole file Introduction You've seen the tutorial. A @PostMapping endpoint, a MultipartFile paramet00
MSManikandan Sinmanikandan4411.hashnode.dev·2d ago · 6 min readJava Time Complexity and Space ComplexityTime Complexity and Space Complexity are important concepts in Data Structures and Algorithms (DSA). They help us understand how efficient a Java program or algorithm is. 1. What is Time Complexity? D00
AVAryan Vatsainaryanvatsa.hashnode.dev·2d ago · 9 min readMy Infosys Springboard Internship Experience: Learning, Building, and Growing /As a student, I’ve always felt that learning/watching technology from tutorials and actually building something with it are two very different experiences. /You can understand what a REST API is. You00
OGOmkar Goulayinproductionjava.hashnode.dev·3d ago · 5 min readBest API Testing Tools for Java Developers in Production EnvironmentAPI testing is straightforward in local, QA, or UAT environments. Production is different. Here, the goal isn't simply to verify that an API works — it's to validate it without impacting customers, da00
Kkameninpureengine.hashnode.dev·3d ago · 22 min readError Handling & Domain Exceptions Across Module Boundaries (Chapter 11)I had a GeneralExceptionHandler sitting in an old project, battle-tested, comprehensive, ready to copy into this one. Six exception types, each with its own handler method, each mapped to a status cod00
RRRavi Raiinbuildbyravirai.hashnode.dev·3d ago · 11 min readThe javax to jakarta Break: Why Your Old Java App Is Stuck, and What It Costs to MoveYou have a Java application that runs the business. It was written years ago, it works, and the people who wrote it have moved on. You ask three firms what it would take to bring it up to date and you00
