mapstruct / mapstruct/mapstruct-examples

Java 21 support

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Dominant language
Java
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Description

Hi @filiphr,

I would ask is it possible to update examples or create a new set which run on java 21.
We all love java 8 but it is a bit old. :)

If needed I can offer some time to support this operation, just I don't know which would be the best way.

Thank you,
Mihaly

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating the example projects and their Java version and build configuration. Check which examples currently target Java 8 and determine how Java 21 support should apply across them. Done means the requested examples run successfully on Java 21, with the supported scope documented or demonstrated.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
tooling
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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