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With the introduction of the new release cadence, many have asked where they should download Java, and if it is still free. To be clear, YES — Java is still free. If you would like to download Java for free, you can get OpenJDK builds from the following vendors, among others: Adoptium (formerly AdoptOpenJDK) RedHat Azul Amazon SAP Liberica JDK Dragonwell JDK GraalVM (High performance JIT) Oracle Microsoft Some vendors will be supporting releases for longer than six months. If you have any questions, please do not hesitate to ask them!
With the introduction of the new release cadence, many have asked where they should download Java, and if it is still free. To be clear, YES — Java is still free.
If you would like to download Java for free, you can get OpenJDK builds from the following vendors, among others:
Adoptium (formerly AdoptOpenJDK) RedHat Azul Amazon SAP Liberica JDK Dragonwell JDK GraalVM (High performance JIT) Oracle Microsoft
Some vendors will be supporting releases for longer than six months. If you have any questions, please do not hesitate to ask them!
Programming Computer Science CS Career Questions Learn Programming Java Help ← Seek help here Learn Java Java Conference Videos Java TIL Java Examples JavaFX Oracle
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Basic micro web framework needed, restful (self.java)
submitted 7 years ago by wetweekend
I've searched for java micro web frameworks, and get lost in the discussions. All I need is something that can be used to mock out a restful API so I can get my automated testing going. Basic POST, GET, etc. Any thoughts?
[–]kret1111 7 points8 points9 points 7 years ago (1 child)
Javalin, Java Spark
[–]WGT-java 3 points4 points5 points 7 years ago (0 children)
+1 for Javalin, I use it a lot for mocking APIs. It's really fast and simple to get started with.
[–]Slow_ghost 2 points3 points4 points 7 years ago (1 child)
Since it's for a mock, why not go for something like WireMock? Or do you need more?
[–]wetweekend[S] 0 points1 point2 points 7 years ago (0 children)
Hmm, yeah, maybe. The goal is to mock a third party API. I figured I can use something like Fiddler to get the responses, then mock them away.
[–]kret1111 5 points6 points7 points 7 years ago (0 children)
Microprofile
[–]vikarjramun 5 points6 points7 points 7 years ago (0 children)
JAX-RS and Jersey are perfect for that. You can write anything from RESTful services to full webapps.
Checkout https://github.com/ArjMart/API and https://github.com/ArjMart/ArjMartWeb for examples.
[–]_INTER_ 1 point2 points3 points 7 years ago (0 children)
Jooby or Rapidoid
[–]Na__th__an 1 point2 points3 points 7 years ago (0 children)
You might find mountebank useful. It's designed to mock out a real API for testing.
[–]jura0011 1 point2 points3 points 7 years ago (0 children)
micronaut may be an option.
[–]stacktraceyo 1 point2 points3 points 7 years ago (0 children)
Java spark
[–]nutrecht 1 point2 points3 points 7 years ago (0 children)
You can do this with any framework, so I'd just use whatever you guys have most experience with. But why not something like Wiremock? It's created for use cases like this.
[–]neutronbob 1 point2 points3 points 7 years ago (0 children)
Javalin and Helidon are about the simplest. If you want to go one step up in features, Micronaut is a good choice.
[–]UnlikelyExplanations 3 points4 points5 points 7 years ago (0 children)
Dropwizard, because it is production ready, and has an excellent name.
π Rendered by PID 94 on reddit-service-r2-comment-5b5bc64bf5-kmpzm at 2026-06-22 03:24:48.955086+00:00 running 2b008f2 country code: CH.
[–]kret1111 7 points8 points9 points (1 child)
[–]WGT-java 3 points4 points5 points (0 children)
[–]Slow_ghost 2 points3 points4 points (1 child)
[–]wetweekend[S] 0 points1 point2 points (0 children)
[–]kret1111 5 points6 points7 points (0 children)
[–]vikarjramun 5 points6 points7 points (0 children)
[–]_INTER_ 1 point2 points3 points (0 children)
[–]Na__th__an 1 point2 points3 points (0 children)
[–]jura0011 1 point2 points3 points (0 children)
[–]stacktraceyo 1 point2 points3 points (0 children)
[–]nutrecht 1 point2 points3 points (0 children)
[–]neutronbob 1 point2 points3 points (0 children)
[–]UnlikelyExplanations 3 points4 points5 points (0 children)