Describe how automation of build and deployment is implemented in your latest project.

In my latest Java project, build automation and deployment were implemented using Jenkins and Maven. Maven was used for dependency management and project build, while Jenkins was used for automatically triggering builds on each commit to the repository.

The process looked like this:

• When a push was made to GitHub, Jenkins was triggered via webhook.
• Jenkins ran Maven commands to compile, test, and build artifacts.
• If the build and tests were successful, Jenkins automatically deployed the application to a test server.

An example Jenkinsfile for such a pipeline:

pipeline {
    agent any
    stages {
        stage('Build') {
            steps {
                sh 'mvn clean package'
            }
        }
        stage('Test') {
            steps {
                sh 'mvn test'
            }
        }
        stage('Deploy') {
            steps {
                // deployment script to test server
                sh './deploy.sh'
            }
        }
    }
}

Thus, the entire cycle from commit to deployment was automated, which accelerated integration and reduced errors.