177 posts analyzed Updated Jul 2026
Averages 6 posts/day, top 25% activity. Most active Thursdays around 11 AM UTC. Mostly text posts.
r/java Traffic & Engagement r/java Traffic & Engagement
Volume and engagement over time Posting volume and engagement over time
Post Format
Upvote Distribution
How upvoted posts perform Only posts with 2+ upvotes. The bands below show how those posts are spread by upvote count.
r/java Most Active Times When r/java Is Most Active
Peak posting by day and hour (UTC) When this community posts most, by day and hour (UTC)
Most Active by Day
r/java Flair Performance r/java Flair Performance
Upvotes and volume by flair Average upvotes and post volume by flair
This subreddit doesn't use post flairs.
No flaired posts were found in this month's data.
Post Type Breakdown
Share by text, image, or link Share of posts by format: text, image, or link
r/java Trending Keywords Trending Keywords in r/java
Ranked by how often they appear Title keywords ranked by how often they appear
| Keyword | Mentions ▼ | Upvotes | Comments |
|---|---|---|---|
| java | 75 (42.4%) | 15 | 10 |
| built | 10 (5.7%) | 0 | 6 |
| code | 10 (5.7%) | 36 | 9 |
| jvm | 10 (5.7%) | 28 | 13 |
| spring | 10 (5.7%) | 2 | 3 |
r/java Mentioned Domains Mentioned Domains in r/java
Most linked sites Most linked sites in this subreddit
| Domain | Links | Upvotes |
|---|---|---|
| github.com | 10 | 21 |
| youtu.be | 6 | 46 |
| openjdk.org | 4 | 62 |
| youtube.com | 3 | 42 |
r/java Top Posts Top Performing Posts in r/java
Highest-performing posts Highest-performing posts. Each title links to Reddit.
Java | The Documentary
JEP 401: Value Objects And JEP 539: Strict Field Initialization Merged Into JDK
Maintaining the code of the man who wrote "How To Write Unmaintainable Code"
Made a perspective shifting room in Java
ADTs (algebraic data types) in Java
JEP 401: Value Objects Officially Proposed to Target JDK 28
Java 21 virtual threads make simple blocking code scalable again
How realistic is it for a company to have their own in house JVM. Wouldn't that require a lot of resources compared to paying for a license or using a non GPL implementation?
New candidate JEP: 401: Value Objects (Preview)
Devs who work with legacy Java, what actually eats most of your time?
| Title | Upvotes | Comments | Type | Date |
|---|---|---|---|---|
| Java | The Documentary | 220 | 8 | link | Jul 17 |
| JEP 401: Value Objects And JEP 539: Strict Field Initialization Merged Into JDK | 156 | 43 | link | Jul 30 |
| Maintaining the code of the man who wrote "How To Write Unmaintainable Code" | 131 | 13 | text | Jul 16 |
| Made a perspective shifting room in Java | 117 | 12 | image | Jul 5 |
| ADTs (algebraic data types) in Java | 112 | 11 | link | Jul 20 |
| JEP 401: Value Objects Officially Proposed to Target JDK 28 | 109 | 6 | link | Jul 23 |
| Java 21 virtual threads make simple blocking code scalable again | 85 | 24 | text | Jul 8 |
| How realistic is it for a company to have their own in house JVM. Wouldn't that require a lot of resources compared to paying for a license or using a non GPL implementation? | 85 | 85 | image | Jul 6 |
| New candidate JEP: 401: Value Objects (Preview) | 75 | 42 | link | Jul 14 |
| Devs who work with legacy Java, what actually eats most of your time? | 73 | 94 | text | Jul 16 |
r/java Audience Overlap r/java Subreddit Overlap & Related Communities
Overlapping audiences Communities with overlapping audiences
r/java FAQ Frequently Asked Questions About r/java
What's the best time to post on r/java?
Based on posting volume, r/java is most active on Thursdays around 11 AM UTC. That window has the most community activity, but busier hours also mean more competition for attention.
How active is r/java?
r/java averages 6 posts per day and ranks in the top 25% for activity among tracked SFW subreddits.
How many upvotes do posts on r/java get?
Posts on r/java average about 15 upvotes this month (net score per post).
What kind of posts does r/java get most?
On r/java, posts are a mix of formats, mostly text posts