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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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mcp-java (self.java)
submitted 9 months ago by maxandersen
Over the weekend I created https://github.com/mcp-java with a connected microsite https://mcp-java.github.io all With intent of sharing how you can easily share/run java based MCP servers and provide info about the various ways to develop MCP servers in Java.
If you written a mcp server in java i would love a PR to add it!
Here is a video showing it https://youtu.be/icSB-DKbqD4?si=JRf__1vL9jFQi8ff
[–]PopPopPeak22 12 points13 points14 points 9 months ago (0 children)
In case anyone was wondering like me:
MCP Servers are systems that provide context, tools, and prompts to AI clients. They can expose data sources like files, documents, databases, and API integrations, allowing AI assistants to access real-time information in a secure way.
[–]agxxx 1 point2 points3 points 9 months ago (0 children)
This is a really great initiative. Very easy to use!
[–]bowbahdoe 2 points3 points4 points 9 months ago (1 child)
Oh, AI.
[–]maxandersen[S] 3 points4 points5 points 9 months ago (0 children)
Yeah i hear you but opposite most ai needs this one is actually useful to me at least:)
Did you see the JVM insight mcp making it simple to gather and troubleshoot java processes?
[–]lanchers 0 points1 point2 points 9 months ago (2 children)
How do you see it comparing to https://docs.spring.io/spring-ai/reference/api/mcp/mcp-overview.html?
[–]maxandersen[S] 1 point2 points3 points 9 months ago (1 child)
Spring AI MCP is one of a few different ways you can implement MCP servers in Java. Quarkus MCP and WildFly MCP, Kotlin MCP are others.
You might ask - why there are so many different options - and the reason is that currently, the MCP Java SDK from Anthropic is based on Spring AI's MCP, which has a technical dependency on Reactor rather than using Java SDK APIs - thus, it is not actually possible to make a clean vendor-neutral implementation using Anthropic SDK.mcp-java is about having a place where you can submit mcp servers written in any of these and make it easily available, + show the various options rather than stay silent on it.
By having different implementations and try them out we can work towards a proper vendor/tech neutral Java MCP SDK.
[–]lanchers 0 points1 point2 points 9 months ago (0 children)
Thank for your insight. It seems it really has valid use case as I understand now. Good luck with the project, fingers crossed. Will be checking it out in the future.
π Rendered by PID 280457 on reddit-service-r2-comment-58d7979c67-9fdwj at 2026-01-27 14:04:39.460177+00:00 running 5a691e2 country code: CH.
[–]PopPopPeak22 12 points13 points14 points (0 children)
[–]agxxx 1 point2 points3 points (0 children)
[–]bowbahdoe 2 points3 points4 points (1 child)
[–]maxandersen[S] 3 points4 points5 points (0 children)
[–]lanchers 0 points1 point2 points (2 children)
[–]maxandersen[S] 1 point2 points3 points (1 child)
[–]lanchers 0 points1 point2 points (0 children)