Top 23 Java Data structure Projects

• Java

  7 56,582 9.1 Java

  All Algorithms implemented in Java

  

• DSA-Bootcamp-Java

  7 15,327 7.4 Java

  This repository consists of the code samples, assignments, and notes for the Java data structures & algorithms + interview preparation bootcamp of WeMakeDevs.

Project mention: Expanding from Laravel and MVC: How to learn algorithms, patterns and more while coding? | /r/laravel | 2023-07-05

if you want something more extensive you can check out this ongoing course which has already covered lots of topics in depth. https://github.com/kunal-kushwaha/DSA-Bootcamp-Java there is a playlist on youtube and assignments on github for practice

• WorkOS

  workos.com sponsored

  The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  

• CtCI-6th-Edition

  5 11,138 0.0 Java

  Cracking the Coding Interview 6th Ed. Solutions

  

• SDE-Interview-Questions

  1 6,945 0.0 Java

  Most comprehensive list :clipboard: of tech interview questions :blue_book: of companies scraped from Geeksforgeeks, CareerCup and Glassdoor.

  

• java-algorithms-implementation

  2 4,362 0.0 Java

  Algorithms and Data Structures implemented in Java

• Leetcode

  2 3,691 9.2 Java

  Solutions to LeetCode problems; updated daily. Subscribe to my YouTube channel for more. (by fishercoder1534)

• JCTools

  2 3,465 5.0 Java
  

• InfluxDB

  www.influxdata.com sponsored

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• RoaringBitmap

  24 3,377 8.5 Java

  A better compressed bitset in Java: used by Apache Spark, Netflix Atlas, Apache Pinot, Tablesaw, and many others

  

Project mention: Iterating over Bit Sets Quickly | news.ycombinator.com | 2024-02-24

I was recently reading about Roaring https://roaringbitmap.org/ which is a highly optimized compressed bitset implementation. I reccomend reading about it if you are interested in this sort of thing. The talk at https://roaringbitmap.org/talks/ is especially good.

• SBE

  7 3,021 8.5 Java

  Simple Binary Encoding (SBE) - High Performance Message Codec

  

• data-structures

  1 2,797 0.0 Java

  A collection of powerful data structures (by williamfiset)

• Apache Avro

  22 2,756 9.7 Java

  Apache Avro is a data serialization system.

  

Project mention: Open Table Formats Such as Apache Iceberg Are Inevitable for Analytical Data | news.ycombinator.com | 2024-01-18

Apache AVRO [1] is one but it has been largely replaced by Parquet [2] which is a hybrid row/columnar format

[1] https://avro.apache.org/

• JGraphT

  2 2,517 8.1 Java

  Master repository for the JGraphT project

  

• Apache Parquet

  4 2,398 9.2 Java

  Apache Parquet

  

• Eclipse Collections

  9 2,353 8.1 Java

  Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.

  

Project mention: Yet another introduction to Functional Programming | dev.to | 2023-07-12

eclipse-collections for Java.

• FAANG

  1 1,701 5.2 Java

  Competitive programming questions.

• cyclops-react

  2 1,296 0.0 Java

  An advanced, but easy to use, platform for writing functional applications in Java 8.

  

• Persistent Collection

  4 746 6.6 Java

  A Persistent Java Collections Library

Project mention: I had a great experience with Scala and hopefully it will get more popular | /r/scala | 2023-07-11

So does Java! Also, kotlinx.collections is still not stable and I don't think they are intending to make it so any time soon.

• Apache Orc

  4 654 9.4 Java

  Apache ORC - the smallest, fastest columnar storage for Hadoop workloads

  

• Big Queue

  0 548 0.0 Java

  A big, fast and persistent queue based on memory mapped file.

• Data-Structures-and-Algorithms

  2 335 4.4 Java

  Important data structures and algorithms implemented in Java along with solutions to AlgoExpert problems and some Leetcode problems. (by alpha037)

• geekific-youtube

  1 236 2.4 Java

  https://www.youtube.com/c/Geekific

• dexx

  1 209 0.0 Java

  Persistent (immutable) collections for Java and Kotlin

• geo-assist

  26 207 3.4 Java

  Geo Assist is a spatial library to manage spatial data in-memory.

Project mention: I built an open-source library to manage and query your geospatial data efficiently. This approach has been tested with applications up to a scale of ~89m requests per day and worked like a charm. You can Star the repository to help it grow. Feedback is most welcome (more details in comments below) | /r/programming | 2023-10-08

• SaaSHub

  www.saashub.com sponsored

  SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

  

Java Data structures related posts

• Iterating over Bit Sets Quickly
  1 project | news.ycombinator.com | 24 Feb 2024
• Open Table Formats Such as Apache Iceberg Are Inevitable for Analytical Data
  1 project | news.ycombinator.com | 18 Jan 2024
• Roaring Bitmaps
  1 project | news.ycombinator.com | 17 Jan 2024
• Generating Avro Schemas from Go types
  4 projects | dev.to | 14 Jan 2024
• Roaring bitmaps are compressed bitmaps, can be 100x faster
  4 projects | news.ycombinator.com | 18 Jul 2023
• Expanding from Laravel and MVC: How to learn algorithms, patterns and more while coding?
  1 project | /r/laravel | 5 Jul 2023
• Beginners road map
  1 project | /r/leetcode | 5 Jul 2023
• A note from our sponsor - WorkOS
  workos.com | 22 Apr 2024

  The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning. Learn more →

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