[improve] code according to code specifications #3477

	# Licensed to the Apache Software Foundation (ASF) under one
	# or more contributor license agreements. See the NOTICE file
	# distributed with this work for additional information
	# regarding copyright ownership. The ASF licenses this file
	# to you 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.

	# 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: Backend CI

	on:
	push:
	branches: [ master, dev, action* ]
	paths-ignore:
	- '**.md'
	- 'home/**'
	- 'web-app/**'
	- 'script/**'
	- 'material/**'
	pull_request:
	branches: [ master, dev ]
	paths-ignore:
	- '**.md'
	- 'home/**'
	- 'web-app/**'
	- 'script/**'
	- 'material/**'

	jobs:
	backend-build:
	uses: ./.github/workflows/backend-build-test-reuse.yml
	secrets:
	codecov_token: ${{ secrets.CODECOV_TOKEN }}

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