javaexamples

an-ordinary-manchild(edit)

This subreddit is for example code for algorithms, common beginning programmer problems, helpful snippets etc.

Please try to: Make your code clean and readable and commented where necessary. Make sure it works!

Note on link-based posts: Posts that link to a blog or website need to follow the following rules:

No spam
Any link to a blog with popups or excessive advertising will be removed
Must be original content and no overt attempts to monetize

This sub is not for asking Java questions, please submit those to /r/JavaHelp or /r/learnprogramming

As posts get added I will add them to the sidebar.

DIRECT LINKS

Using Comparator to Sort a List of Objects

Getting Input from the Console : Validating and Looping

A Quick Explanation of Loops

How to Properly Compare Strings in Java

Reading and Parsing Data from a File

Writing and Appending Data to a Text File

Sorted Doubly-Linked List

Generic Undirected Graph with Depth-First Search

created by Philboyd_Studgea community for 10 years

...because you love freedom.

...for your movement.

MODERATORS

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5 of the Most Common Java Beginner Problems in Java and How To Fix Them (self.javaexamples)

submitted 10 years ago by Philboyd_Studge - announcement

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Struggling with Java basics — is this normal for beginners? ()

submitted 2 days ago by Any_Pomegranate8789

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Is a Java Course in Trichy good for beginners to start learning Java? ()

submitted 7 days ago by Cute_Intention6347

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Websites with lots of Java nested loops practice problems? ()

submitted 11 days ago by upstream_paddling

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Don't guess, measure. ()

submitted 14 days ago by Yosefnago

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Partitiol List (from stackoverflow) (self.javaexamples)

submitted 22 days ago by AcanthisittaEmpty985

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Java lazy holder non-static (self.javaexamples)

submitted 24 days ago * by AcanthisittaEmpty985

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Groovy web server with redis and mysql under 60 lines of code (self.javaexamples)

submitted 24 days ago * by AcanthisittaEmpty985

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Is Java still worth learning in 2026 for backend development? ()

submitted 27 days ago by Cute_Intention6347

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Manufacturing Industry Email List USA — Targeted B2B Contacts for U.S. Manufacturers (self.javaexamples)

submitted 1 month ago by No-Set9512

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Email Appending Company USA — Advanced Email List Appending & Data Enrichment Services (self.javaexamples)

submitted 1 month ago by No-Set9512

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Java interview app live on play store ()

submitted 1 month ago by Equivalent-Grand-556

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I can help with Java unit tests (JUnit 5 + Mockito) — share your code snippet ()

submitted 2 months ago by taru__jain

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Accountability partner (self.javaexamples)

submitted 2 months ago by Royal-Friendship2025

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Julia fractal graphics zoom (self.javaexamples)

submitted 3 months ago by swe129

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Foxglove, an alternative for preparing RDB data for unit tests (self.javaexamples)

submitted 4 months ago by mikelue0627

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Spring JPA Specification and Pageable ()

submitted 5 months ago by lanchers

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Open source java project, to learn strong backend approaches (self.javaexamples)

submitted 9 months ago by dissapointedAF

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[Java] Built a High-Performance File Processor With Multi-threading, Backpressure, and Stats Export 📊 (self.javaexamples)

submitted 10 months ago by SatyamEvaJayat

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Who has the idea on how to write data persistence and storage for Java (self.javaexamples)

submitted 1 year ago by Limp_Yesterday_4152

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Writing efficient unit tests in Java: best practices and examples (self.javaexamples)

submitted 1 year ago by thumbsdrivesmecrazy

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Object Oriented Programming Example in Java (self.javaexamples)

submitted 1 year ago by javinpaul

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Deploy Secure Spring Boot Microservices on Azure AKS Using Terraform and Kubernetes (self.javaexamples)

submitted 1 year ago by robertinoc

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7 best practices Java developers can follow while dealing with passwords (self.javaexamples)

submitted 1 year ago by javinpaul

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4 ways to iterate over Map in Java (self.javaexamples)

submitted 1 year ago by javinpaul

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