---
title: "Discussion on \"Java Explained Simply: Why It Runs Everywhere (and How)\" | Hashnode"
description: "Discussion on \"Java Explained Simply: Why It Runs Everywhere (and How)\". Why Java was created, how \"Write Once, Run Anywhere\" really works, and what every developer should know before writing their first \"Hello, World!\""
url: "https://hashnode.com/posts/java-explained-simply-why-it-runs-everywhere-and-how/6abe96f3693606d2a81d33b1"
---

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# [Java Explained Simply: Why It Runs Everywhere (and How)](https://mayankdev.hashnode.dev/java-explained-simply-why-it-runs-everywhere-and-how?utm_source=hashnode&utm_medium=feed)

Why Java was created, how "Write Once, Run Anywhere" really works, and what every developer should know before writing their first "Hello, World!"

Oct 1 · 12 min read · mayankdev.hashnode.dev  
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## Written by

[Mayank Mahajan](https://hashnode.com/@Mayank9056)

@Mayank9056 · Maharashtra, India

  
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Backend-Focused Full Stack Developer

Backend-focused Full Stack Developer building production-grade web applications. I write about backend engineering, system design, authentication, databases, DSA, and lessons learned while building real-world software.

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