30 Seconds of Java Files

Collection of reusable tested Java 21 compatible code snippets

This is an exact mirror of the 30 Seconds of Java project, hosted at https://github.com/iluwatar/30-seconds-of-java. SourceForge is not affiliated with 30 Seconds of Java.

The interactive file manager requires Javascript. Please enable it or use sftp or scp.
You may still browse the files here.

Name	Modified	Size	InfoDownloads / Week
30-seconds-of-java source code.tar.gz	2026-05-02	137.3 kB	0
30-seconds-of-java source code.zip	2026-05-02	307.4 kB	1
Totals: 2 Items		444.6 kB	1

Other Useful Business Software

Our Free Plans just got better! | Auth0

With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.

Try free now

Gemini 3 and 200+ AI Models on One Platform

Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

Build, govern, and optimize agents and models with Gemini Enterprise Agent Platform.

Start Free

Gemini 3 and 200+ AI Models on One Platform

Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

Build, govern, and optimize agents and models with Gemini Enterprise Agent Platform.

Start Free

Recommended Projects

30 Seconds of Code
Coding articles to level up your development skills
massCode
A free and open source code snippets manager for developers
pet
Simple command-line snippet manager, written in Go
FingerText
Tab triggered snippet plugin for Notepad++. Support global snippets and snippets for each file extension or file name, simultaneous hotspots editing, nested hotspots, hotspot text hint and hotspot default value. Comments can be added to snippets.
CodeSnip
A repository for source code snippets, designed with Pascal in mind.

30 Seconds of Java Files

Collection of reusable tested Java 21 compatible code snippets

Get an email when there's a new version of 30 Seconds of Java