Number of Islands #274

	# This workflow will build a Java project with Maven
	# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven

	name: Main Workflow

	on:
	push:
	paths-ignore:
	- '**.md'
	pull_request:
	paths-ignore:
	- '**.md'

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:

	- name: Checkout code
	uses: actions/checkout@v4

	- name: Set up JDK
	uses: actions/setup-java@v4
	with:
	distribution: 'temurin' # See 'Supported distributions' for available options
	java-version: '21'

	- name: Cache
	uses: actions/cache@v4
	with:
	# A list of files, directories, and wildcard patterns to cache and restore
	path: ~/.m2
	# An explicit key for restoring and saving the cache
	key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
	# An ordered list of keys to use for restoring the cache if no cache hit occurred for key
	restore-keys: ${{ runner.os }}-m2
	- name: Build with Maven
	run: mvn -B package --file pom.xml

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