[Oomph-Setup] Add jdt.core configuration setup #53

	name: Continuous Integration
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	on:
	push:
	branches: '**'

	jobs:
	event_file:
	name: "Upload Event File"
	runs-on: ubuntu-latest
	steps:
	- name: Upload
	uses: actions/upload-artifact@84480863f228bb9747b473957fcc9e309aa96097 # v4.4.2
	with:
	name: Event File
	path: ${{ github.event_path }}
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: recursive
	fetch-depth: 0
	- name: Set up JDKs ☕
	uses: actions/setup-java@v4
	with:
	java-version: \|
	8
	17
	21
	mvn-toolchain-id: \|
	JavaSE-1.8
	JavaSE-17
	JavaSE-21
	distribution: 'temurin'
	- name: Set up Maven
	uses: stCarolas/setup-maven@d6af6abeda15e98926a57b5aa970a96bb37f97d1 # v5
	with:
	maven-version: 3.9.8
	- name: Build with Maven 🏗️
	run: \|
	mvn clean install --batch-mode -f org.eclipse.jdt.core.compiler.batch -DlocalEcjVersion=99.99
	mvn -U clean verify --batch-mode --fail-at-end -Ptest-on-javase-21 -Pbree-libs -Papi-check -Djava.io.tmpdir=$WORKSPACE/tmp -Dproject.build.sourceEncoding=UTF-8 -Dtycho.surefire.argLine="--add-modules ALL-SYSTEM -Dcompliance=1.8,11,17,20 -Djdt.performance.asserts=disabled" -Dcbi-ecj-version=99.99
	- name: Upload Test Results for Linux
	if: always()
	uses: actions/upload-artifact@84480863f228bb9747b473957fcc9e309aa96097 # v4.4.2
	with:
	name: test-results-linux
	if-no-files-found: warn
	path: \|
	${{ github.workspace }}/*/target/surefire-reports/.xml

Provide feedback