/**
 * Circle CI support.
 */
public class CircleCIDetector implements CIDetector {
    public static final String NAME = "CircleCI";

    private static final String CIRCLECI = "CIRCLECI";

    @Override
    public Optional<CIInfo> detectCI() {
        String ciEnv = System.getenv(CIRCLECI);
        if ("true".equals(ciEnv)) {
            return Optional.of(new CIInfo() {
                @Override

    void jenkins() throws Exception {
        assertEquals(JenkinsCIDetector.NAME + ";", runner(Map.of("CI", "true", "WORKSPACE", "foobar")));
    }

    @Test
    void circleci() throws Exception {
        assertEquals(CircleCIDetector.NAME + ";", runner(Map.of("CIRCLECI", "true")));
    }

    @Test
    void teamcity() throws Exception {
        assertEquals(TeamcityCIDetector.NAME + ";", runner(Map.of("TEAMCITY_VERSION", "1.2.3")));

-   **Continuous Integration**: Gradle easily connects with popular CI tools, including Jenkins, [GitHub Actions](https://docs.github.com/actions), [GitLab CI](https://docs.gitlab.com/ee/ci/), [CircleCI](https://circleci.com/), and more, to streamline build and deployment pipelines.

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### 🎓 **Learning Resources for Gradle**