Add CI for sample Java applications #2

	name: CI

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	jobs:
	build-with-various-java-version:
	strategy:
	matrix:
	version: [8, 11, 17, 21]
	project:
	- 'microservice-transaction-sample'
	- 'multi-storage-transaction-sample'
	- 'scalardb-kotlin-sample'
	- 'scalardb-sample'
	- 'scalardb-sql-jdbc-sample'
	- 'spring-data-microservice-transaction-sample'
	- 'spring-data-multi-storage-transaction-sample'
	- 'spring-data-sample'
	runs-on: ubuntu-latest
	permissions:
	contents: read

	steps:
	- uses: actions/checkout@v4
	- name: Set up JDK ${{ matrix.version }}
	uses: actions/setup-java@v4
	with:
	java-version: ${{ matrix.version }}
	distribution: 'temurin'

	- name: Setup Gradle
	uses: gradle/actions/setup-gradle@v4

	- name: Build with Gradle Wrapper
	working-directory: ${{ matrix.project }}
	run: ./gradlew build

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