---
title: "Discussion on \"30 Days of Java | Day 1\" | Hashnode"
description: "Discussion on \"30 Days of Java | Day 1\". The running mechanism:\n\nYou create a java document with .java extension. \nYou run the document through a javac compiler which compiles the code into a new class file (.class extension),  checks for errors and if there is no error, it will run. \nA new..."
url: "https://hashnode.com/posts/30-days-of-java-day-1/63491cf12e0d2b5ea98534e6"
---

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# [30 Days of Java | Day 1](https://30daysofjava.hashnode.dev/30-days-of-java-day-1?utm_source=hashnode&utm_medium=feed)

The running mechanism: You create a java document with .java extension. You run the document through a javac compiler which compiles the code into a new class file (.class extension), checks for errors and if there is no error, it will run. A new...

Oct 14, 2022 · 2 min read · 30daysofjava.hashnode.dev  
Updated Oct 15, 2022  
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## Written by

[Vahid](https://hashnode.com/@vidi)

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Python & Stuff

Linguist interested in data and programming

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