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iluwatar

3 indexed repositories · View on GitHub

java-design-patterns
Design patterns implemented in Java

Java · 94708 stars
30-seconds-of-java
Collection of reusable tested Java 21 compatible code snippets that you can understand in 30 seconds or less.

Java · 1146 stars
java-design-patterns-vuepress-web
Next generation website for Java Design Patterns

TypeScript · 409 stars

Beginner friendly Everything

Open All

Migrate GitHub Actions workflows off deprecated Node 20 runtimes Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

iluwatar/java-design-patterns#3607 · Opened Sep 12, 2026
[Feature Request]: Add Scatter-Gather Design Pattern Open

epic: pattern type: feature

iluwatar/java-design-patterns#3577 · 5 comments · 1 assignee · Opened Aug 17, 2026
add a copy code option on code snippets Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

iluwatar/java-design-patterns-vuepress-web#118 · Opened Jul 13, 2026
Translation to Russian Open

epic: documentation info: help wanted type: feature

iluwatar/java-design-patterns#3434 · 2 comments · 2 assignees · Opened Feb 15, 2026
Implement Actor Model pattern Open

epic: pattern Stale type: feature

iluwatar/java-design-patterns#3232 · 6 comments · 1 assignee · Opened Mar 30, 2025
Add Deep Copy via Serialization Snippet Open

epic: snippet info: good first issue info: help wanted type: feature

Difficulty 3/5 1-2 days Newbie friendliness 52/100

iluwatar/30-seconds-of-java#252 · Opened Mar 27, 2025
Add Execution Time Measurement Snippet Open

epic: snippet info: good first issue info: help wanted type: feature

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

iluwatar/30-seconds-of-java#251 · Opened Mar 27, 2025
Add rate limiter utility snippet Open

epic: snippet info: good first issue info: help wanted type: feature

Difficulty 3/5 1-2 days Newbie friendliness 42/100

iluwatar/30-seconds-of-java#249 · 2 comments · Opened Mar 27, 2025
Add UUID generator snippet Open

epic: snippet info: good first issue info: help wanted type: feature

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

iluwatar/30-seconds-of-java#248 · Opened Mar 27, 2025
Add retry utility snippet Open

epic: snippet info: good first issue status: stale type: feature

iluwatar/30-seconds-of-java#247 · 2 comments · 1 assignee · Opened Mar 27, 2025
Add memoization utility snippet Open

epic: snippet info: good first issue info: help wanted type: feature

Difficulty 3/5 1-2 days Newbie friendliness 35/100

iluwatar/30-seconds-of-java#245 · Opened Mar 27, 2025
Add debounce utility snippet Open

epic: snippet info: good first issue info: help wanted type: feature

Difficulty 3/5 1-2 days Newbie friendliness 52/100

iluwatar/30-seconds-of-java#244 · Opened Mar 27, 2025
quickSort Cannot pass leetcode sort-an-array test Open

epic: snippet info: help wanted type: enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

iluwatar/30-seconds-of-java#217 · 2 comments · Opened Oct 2, 2024
Fix busy-waiting loops Open

epic: code quality epic: pattern info: help wanted

Difficulty 4/5 3-5 days Newbie friendliness 45/100

iluwatar/java-design-patterns#2977 · 52 comments · 4 reactions · Opened Jun 1, 2024
Add Portuguese (Brazil) language support to the website Open

epic: website type: feature

iluwatar/java-design-patterns-vuepress-web#87 · 1 assignee · Opened May 15, 2024
Find mode of integer array Open

epic: snippet info: help wanted type: enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

iluwatar/30-seconds-of-java#207 · 1 comment · 2 reactions · Opened May 6, 2024
Service-Oriented Architecture pattern Open

epic: pattern type: feature

iluwatar/java-design-patterns#2937 · 8 comments · 1 reaction · 1 assignee · Opened May 4, 2024
Timeout pattern Open

epic: pattern type: feature

iluwatar/java-design-patterns#2845 · 13 comments · 1 assignee · Opened Mar 24, 2024
The Needless Long List Of Patterns On The Website Open

epic: website info: help wanted type: enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

iluwatar/java-design-patterns-vuepress-web#91 · 5 comments · Opened Oct 16, 2023
Microservice pattern: Server-side page fragment composition Open

epic: pattern info: help wanted type: feature

Difficulty 5/5 Over a week Newbie friendliness 30/100

iluwatar/java-design-patterns#2697 · 7 comments · Opened Oct 15, 2023
Microservice pattern: Log deployments and changes Open

epic: pattern info: help wanted type: feature

Difficulty 5/5 Over a week Newbie friendliness 15/100

iluwatar/java-design-patterns#2696 · 5 comments · Opened Oct 15, 2023
Microservice pattern: Exception tracking Open

epic: pattern info: help wanted Stale type: feature

Difficulty 5/5 Over a week Newbie friendliness 20/100

iluwatar/java-design-patterns#2694 · 7 comments · Opened Oct 15, 2023
Microservice pattern: Audit logging Open

epic: pattern type: feature

iluwatar/java-design-patterns#2692 · 5 comments · 1 assignee · Opened Oct 15, 2023
Microservice pattern: Application metrics Open

epic: pattern info: help wanted status: stale type: feature

Difficulty 5/5 Over a week Newbie friendliness 20/100

iluwatar/java-design-patterns#2691 · 3 comments · Opened Oct 15, 2023
Microservice pattern: Access token Open

epic: pattern info: help wanted type: feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

iluwatar/java-design-patterns#2689 · 4 comments · Opened Oct 15, 2023
Microservice pattern: 3rd party registration Open

epic: pattern info: help wanted status: stale type: feature

Difficulty 5/5 Over a week Newbie friendliness 20/100

iluwatar/java-design-patterns#2688 · 2 comments · Opened Oct 15, 2023
Microservice pattern: Server-side service discovery Open

epic: pattern info: help wanted type: feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

iluwatar/java-design-patterns#2686 · 11 comments · Opened Oct 15, 2023
Microservice pattern: Client-side service discovery Open

epic: pattern info: help wanted type: feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

iluwatar/java-design-patterns#2685 · 12 comments · Opened Oct 15, 2023
Microservice pattern: Domain-specific protocol Open

epic: pattern info: help wanted type: feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

iluwatar/java-design-patterns#2682 · 7 comments · Opened Oct 15, 2023
Microservice pattern: Remote procedure invocation Open

epic: pattern info: help wanted type: feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

iluwatar/java-design-patterns#2680 · 7 comments · Opened Oct 15, 2023
Microservice pattern: Externalized configuration Open

epic: pattern info: help wanted type: feature

Difficulty 5/5 Over a week Newbie friendliness 20/100

iluwatar/java-design-patterns#2679 · 3 comments · Opened Oct 15, 2023
Microservice pattern: Service template Open

epic: pattern info: help wanted type: feature

Difficulty 5/5 Over a week Newbie friendliness 20/100

iluwatar/java-design-patterns#2678 · 3 comments · Opened Oct 15, 2023
Microservice pattern: Microservice chassis Open

epic: pattern info: help wanted status: stale type: feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

iluwatar/java-design-patterns#2677 · 2 comments · Opened Oct 15, 2023
Microservice pattern: Consumer-driven contract test Open

epic: pattern info: help wanted status: stale type: feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

iluwatar/java-design-patterns#2675 · 2 comments · Opened Oct 15, 2023
Microservice pattern: Service component test Open

epic: pattern info: help wanted status: stale type: feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

iluwatar/java-design-patterns#2674 · 2 comments · Opened Oct 15, 2023
Microservice pattern: Transaction log tailing Open

epic: pattern info: help wanted type: feature

Difficulty 5/5 Over a week Newbie friendliness 30/100

iluwatar/java-design-patterns#2672 · 3 comments · Opened Oct 15, 2023
Microservice pattern: Transactional outbox Open

epic: pattern info: help wanted type: feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

iluwatar/java-design-patterns#2671 · 1 comment · Opened Oct 15, 2023
Microservice pattern: Domain event Open

epic: pattern info: help wanted type: feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

iluwatar/java-design-patterns#2670 · 2 comments · Opened Oct 15, 2023
Microservice pattern: Command-side replica Open

epic: pattern info: help wanted type: feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

iluwatar/java-design-patterns#2668 · 2 comments · Opened Oct 15, 2023
Microservice pattern: Shared database Open

epic: pattern info: help wanted type: feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

iluwatar/java-design-patterns#2667 · 3 comments · Opened Oct 15, 2023
Microservice pattern: Database per service Open

epic: pattern info: help wanted status: stale type: feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

iluwatar/java-design-patterns#2666 · 4 comments · Opened Oct 15, 2023
Microservice architecture Open

epic: pattern info: help wanted type: feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

iluwatar/java-design-patterns#2665 · 3 comments · Opened Oct 15, 2023
Translate to Tamil Open

epic: translation info: help wanted type: feature

iluwatar/java-design-patterns#2637 · 4 comments · 1 assignee · Opened Oct 12, 2023
Improve bubble sort algorithm performance Open

epic: snippet info: good first issue status: stale type: enhancement

iluwatar/30-seconds-of-java#196 · 11 comments · 1 assignee · Opened Oct 3, 2023
Provide Search Bar Open

epic: design status: stale type: feature

Difficulty 4/5 3-5 days Newbie friendliness 25/100

iluwatar/30-seconds-of-java#190 · 3 comments · Opened Sep 30, 2023
Translation to Urdu Open

epic: translation info: help wanted type: feature

iluwatar/java-design-patterns#2563 · 6 comments · 1 assignee · Opened Aug 15, 2023
learnmvvm.com takes you to weird website Open

epic: website type: bug

iluwatar/java-design-patterns-vuepress-web#60 · 3 comments · 1 reaction · 1 assignee · Opened Jul 5, 2023
[Feature] Table of Contents Sidebar Open

epic: website info: help wanted type: feature

Difficulty 3/5 1-2 days Newbie friendliness 25/100

iluwatar/java-design-patterns-vuepress-web#58 · 6 comments · Opened Apr 25, 2023
Translation to Danish Open

epic: translation info: help wanted type: feature

iluwatar/java-design-patterns#2485 · 3 comments · 1 assignee · Opened Mar 1, 2023
Event-carried state transfer pattern Open

epic: pattern type: feature

iluwatar/java-design-patterns#2434 · 4 comments · 1 assignee · Opened Jan 6, 2023

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