Install OpenJDK28 Early Access
## Summary
Install OpenJDK28 early access vesion 10 (minimum version required is 10) for running tests in BETA_JAVA28 branch
## Steps to reproduce
Tests to be run on BETA_JAVA28 branch for Java 28 work of Eclipse JDT Core
## What is the current bug behavior?
Currently no JDK28
## What is the expected correct behavior?
Tests should run with the new installed version of OpenJDK28 EA
## Relevant logs and/or screenshots
JDK28 EA: https://jdk.java.net/28/
Minimum EA VErsion : Build 10 (2026/8/7)
## Priority
- [ ] Urgent
- [x] High
- [ ] Medium
- [ ] Low
## Severity
- [ ] Blocker
- [x] Major
- [ ] Normal
- [ ] Low
## Impact
This is required for JAVA28 work which is already underway - see https://github.com/eclipse-jdt/eclipse.jdt.core/issues/5222 for the umbrella bug.
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