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MSManikandan Smanikandan4411.hashnode.dev1d ago · 7 min read

LinkedList in Java

1. What is LinkedList? LinkedList in Java is a class that implements the List and Deque interfaces. It stores elements as nodes, where each node contains the data and links to other nodes. It is usefu

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MSManikandan Smanikandan4411.hashnode.dev3d ago · 5 min read

ArrayList in Java

ArrayList is one of the most commonly used classes in the Java Collections Framework. It provides a resizable array that can grow or shrink dynamically. 1. What is ArrayList? Definition:ArrayList is

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MSManikandan Smanikandan4411.hashnode.dev5d ago · 7 min read

Java Collection Comparisons

Java provides different collection types for storing and managing data. Understanding the differences between them is important for Java development, DSA, and interviews. This article covers the most

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ASAdrian Studioadrianstudio3.hashnode.devOct 2 · 3 min read

A notification timeout can hide a successful send

Disclosure: I sell the Notification Failure Lab linked below. This article was drafted with AI and checked against the lab’s published scope. A notification worker can time out after the provider has

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DDenisdenis111.hashnode.devSep 29 · 15 min read

Streaming Large File Uploads in Java Without Killing Your Server

Why 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 paramet

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RRRavi Raibuildbyravirai.hashnode.devSep 28 · 11 min read

The javax to jakarta Break: Why Your Old Java App Is Stuck, and What It Costs to Move

You 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 you

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ZMZay Maung Maung Myintzay-engineering-notes.hashnode.devSep 26 · 9 min read

Understanding JPA JOINED Inheritance: From Java Subtypes to Database Tables

The Domain Model An employee enters a building every day using an access card. A visitor might enter the same building using a temporary credential. Both people have a name, an identity, and authentic

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MSManikandan Smanikandan4411.hashnode.devSep 24 · 5 min read

Java 21 Features in Java

Introduction Java 21 is an LTS (Long-Term Support) version of Java. It introduced several important language, concurrency, and API improvements. Important Java 21 features include: Virtual Threads R

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PPPavlo Putrenkovarchverity.hashnode.devSep 19 · 23 min read

Why Spring Contracts Break Between Repositories While Everything Still Compiles

Updated October 6, 2026: ArchVerity 3.0.5 and the separate 3.0.5-2024.3 package are approved and available on JetBrains Marketplace. This patch improves Workspace navigation, Impact filter recovery an

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Aayushsharmaio0112systemsatscale.hashnode.devSep 14 · 7 min read

Tomcat vs Netty: The Thread Model Decision Most Engineers Get Backwards

(Part 1 of 2 - Backend I/O Internals Series) Every Spring Boot service you've ever written sits on top of a decision you probably never made consciously: does your server hand each request its own thr

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#spring-boot

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Trending tags this week

LinkedList in Java

ArrayList in Java

Java Collection Comparisons

A notification timeout can hide a successful send

Streaming Large File Uploads in Java Without Killing Your Server

The javax to jakarta Break: Why Your Old Java App Is Stuck, and What It Costs to Move

Understanding JPA JOINED Inheritance: From Java Subtypes to Database Tables

Java 21 Features in Java

Why Spring Contracts Break Between Repositories While Everything Still Compiles

Tomcat vs Netty: The Thread Model Decision Most Engineers Get Backwards