# in28minutes/java-tutorial-for-beginners

Java Tutorial For Beginners with 500 Code Examples

Repository: https://github.com/in28minutes/java-tutorial-for-beginners
Canonical: https://ross.abutalabs.com/products/java-tutorial-for-beginners
License Family: other
Topics: java, java8, java-8, programming, programming-challenges, programming-fundamentals
Last push: 2023-11-26T21:01:07+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 2694, "days_push": 1011, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases, no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1898, forks 1605 (observed 2026-08-28T04:05:51.270299+00:00)

## What it is
A beginner-oriented Java tutorial book and repository with 500 code examples organized into 150 steps covering OOP, collections, generics, functional programming, and concurrency. It is a course-style learning resource rather than a software tool.

## Use cases
- learn java from scratch
- java tutorial for beginners
- practice java with code examples
- understand object oriented programming in java
- learn java 8 features like lambdas and streams
- prepare for java programming interviews

## When to choose
- you are new to programming and want a structured Java path
- you prefer learning through many small runnable examples
- you want free self-paced Java fundamentals including OOP and collections

## When to avoid
- you need production-ready Java libraries or frameworks
- you are looking for advanced or up-to-date Java 21+ content
- you need an officially maintained project with a license

## Facets
- artifact type: learning-resource
- maturity: maintenance
- function: developer-tools
- domain: programming-languages, tutorials, education
- platform: jvm, cross-platform
- tags: java, java8, beginner-friendly, code-examples, oop, self-study

## Member repositories
- in28minutes/java-tutorial-for-beginners (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:05:51.270299+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T03:12:46.434712+00:00, confidence not recorded.
  - readme: https://github.com/in28minutes/java-tutorial-for-beginners (fetched 2026-08-28T04:05:51.270299+00:00, sha 1c19d9bea88f)
- Data as of 2026-08-30T08:39:29.467469+00:00.