Update copyrights in files that were missing them. #6

	# 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
	#
	# https://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.

	name: Java sample build and test

	on:
	push:
	branches:
	- main
	paths:
	- 'a2a_agents/java/**'
	pull_request:
	paths:
	- 'a2a_agents/java/**'

	jobs:
	build-and-test:
	name: Build and test Java agent sample
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v3

	- name: Set up JDK
	uses: actions/setup-java@v3
	with:
	java-version: '21'
	distribution: 'temurin'

	- name: Build with Maven
	working-directory: a2a_agents/java
	run: mvn clean install

	- name: Run Tests
	working-directory: a2a_agents/java
	run: mvn test

Provide feedback