TheAlgorithms/Java

What happens to a stranger's pull request here, in the Porchlamp snapshot of 14 October 2026.

Outside pull requests to Java got a first human reply in a median of 8.1 hours (144 pull requests, 10 April to 7 October 2026); 53% got none within 14 days. It ranks 715 of 3,833 overall. It is not ranked for first-time contributors: this repository does not show a low enough barrier for a first-time contributor.

Rating

Score: 60.84
Coverage: 87% · Ceiling A
Tier: B
Quadrant: Sweet Spot
Ecosystem: Maven (Java)

Five pillars

Score out of 100, and how much of the pillar was measured
Pillar	Score	Coverage
Responsiveness	70.5	100%
Criticality	50.1	47%
Governance	76.8	100%
Rigor	44.2	100%
Accessibility	58.2	100%

Rank in each lens

Lens	Standing
Balanced	Rank 715 of 3,833
First-timer	Not ranked: This repository does not show a low enough barrier for a first-time contributor.
Career capital	Not ranked: This repository's production-criticality signal is not yet high enough for career-capital ranking.
Senior systems	Rank 407 of 1,206
AI-assisted	Rank 1,163 of 3,929

The measured parameters

Parameter	Value	Count	Window	What it measures
Time to First Response	8.1124	144	10 April to 7 October 2026	Median hours from an outside pull request opening to its first substantive human reply.
Decision Rate (90d)	0.9901	101	10 April to 9 July 2026	Share of outside pull requests that were merged or closed within 90 days.
First-timer Merge Rate	0.3148	54	—	Share of first-time outside authors' decided pull requests that were merged.
PR Ghost Rate (14d)	0.528	125	16 April to 13 October 2026	Share of outside pull requests with no maintainer response, merge or close within 14 days.
Time to Merge (p90)	123.555	127	10 April to 7 October 2026	Hours within which 90% of merged outside pull requests were merged.
Dependents	Not shown: Third-party data unavailable	—	—	Packages in the registry that depend on this project, counted once each.
OpenSSF Criticality	0.5006	—	—	OpenSSF criticality score from 0 to 1, computed from the project's public activity signals.
Monthly Downloads	Not shown: Not applicable	—	—	Downloads from the package registry in a month.
Legal IP Regime	NONE	—	—	The contributor licence regime: DCO, none, a foundation CLA or a corporate CLA.
Elephant Factor	17	278	—	The fewest organisations that account for half of the last year's commits.
Promotion Ladder	AD_HOC	—	—	How openly a contributor can become a maintainer, from closed to verified.
Pipeline Defenses	72.5	—	—	How well the project's build and review pipeline defends against bad changes, 0 to 100.
AI Policy Posture	AD_HOC	—	—	Whether the project has a written policy on AI-assisted contributions.
Substantive Review Rate	0.0861	209	10 April to 7 October 2026	Share of decided pull requests that received a substantive review.
Newcomer Issue Supply	1	—	—	Open, unassigned, up-to-date issues marked for newcomers.
Newcomer Conversion	0.3846	13	—	Share of first-time authors whose first pull request merged within 180 days.
Newcomer Return Rate	0.6	5	—	Share of those merged first-time authors who sent a second pull request within 90 days.
Developer Experience	85	18	—	Developer experience, 0 to 100: half CI run time, half setup signals.

Similar projects

The ranked projects nearest this one in the same ecosystem.

alibaba/spring-cloud-alibaba (rank 695)
apache/skywalking (rank 697)
trinodb/trino (rank 701)
apache/doris (rank 725)
CaffeineMC/sodium (rank 736)

Evidence

Snapshot 2026-10-14, data as of 13 October 2026.
Record hash: 4125562ec1aa185fe244f12bd609fd34ee74b669d755964bedaa445b9e8d6163
The full record is in data/2026-10-14/repos/29.json, under the key TheAlgorithms/Java.
How every number is measured: Porchlamp methodology.

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