feat(java): genkit java #3

	# Copyright 2025 Google LLC
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.
	#
	# SPDX-License-Identifier: Apache-2.0

	name: Java tests and checks

	on:
	pull_request:
	paths:
	- "java/**"
	- "genkit-tools/**"
	- ".github/workflows/java.yml"

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	java-version: ['17', '21']
	steps:
	- name: Checkout Repo
	uses: actions/checkout@v4

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

	- name: Build with Maven
	run: mvn -B clean compile -q
	working-directory: ./java

	- name: Run tests
	run: mvn -B test
	working-directory: ./java

	lint:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout Repo
	uses: actions/checkout@v4

	- name: Set up JDK 17
	uses: actions/setup-java@v4
	with:
	java-version: '17'
	distribution: 'temurin'
	cache: 'maven'

	- name: Check code formatting with Spotless
	run: mvn -B spotless:check
	working-directory: ./java

	- name: Run Checkstyle
	run: mvn -B checkstyle:check
	working-directory: ./java

Provide feedback