Top 7 Java Coverage Projects
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Sevalla
Deploy and host your apps and databases, now with $50 credit! Sevalla is the PaaS you have been looking for! Advanced deployment pipelines, usage-based pricing, preview apps, templates, human support by developers, and much more!
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Project mention: Year After Switching from Java to Go: Our Experiences | news.ycombinator.com | 2025-02-18
I think most of the tools on the second line are not highly applicable to a Kubernetes operator, or otherwise would just use the "Cloud Native way of doing things".
Something like JRebel would generally be a big no-no for Kubernetes, where the container image of the operator is expected be immutable (at least in terms of the code running in there). It may or may not be okay for developing an operator, but that's certainly venturing into a bit of an unknown territory.
VM agents and JMX are usually replaced by explicitly adding Open Telemetry support and/or a Prometheus endpoint. It's certainly more boilerplate and manual work, but so many more things are explicit in Go, that's just something you've got to buy into. If you're using Rust or Typescript this could be a lot more automated but that's not the case for Go.
Advanced profiling is probably something you'd have to give up, but I doubt a Spring shop would be deeply into profiling. The low hanging fruit is to just throw away spring and get an immediate 200%-400% performance boost.
But the JVM is still a more mature platform. Throughput is better on the JVM than on Go and some things are very troublesome in Go (basically anything that requires code generation).
My personal "cool tool" that I can run on the JVM but doesn't have a mature equivalent in Go is PIT[1] for mutation testing. But not everybody will be using mutation testing, just like not everybody will be using JRebel or JMX. And it doesn't mean everybody should. If you're a Spring a shop the thing you'll be probably missing most in Go would be things like Dependency Injection, Java-like ORMs, reflection magic and Spring Configuration Server.
[1] https://github.com/hcoles/pitest
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javacard-gradle-template
JavaCard project template for building CAP and running JCardSim with gradle + coverage
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examples-jacoco-badge-generator
Sample Java project with runnable workflows demonstrating the cicirello/jacoco-badge-generator GitHub Action
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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Index
What are some of the best open-source Coverage projects in Java? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | JaCoCo | 4,399 |
| 2 | PIT | 1,756 |
| 3 | sonar-flutter | 484 |
| 4 | JSCover | 400 |
| 5 | openpojo | 156 |
| 6 | javacard-gradle-template | 56 |
| 7 | examples-jacoco-badge-generator | 3 |
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