allprojects {
  repositories {
    ...
    maven { url 'https://jitpack.io' }
  }
}

implementation 'com.github.KwabenBerko:News-API-Java:1.0.2'

<repositories>
  <repository>
    <id>jitpack.io</id>
    <url>https://jitpack.io</url>
  </repository>
</repositories>

<dependencies>
  ...
  ...
  <dependency>
    <groupId>com.github.KwabenBerko</groupId>
    <artifactId>News-API-Java</artifactId>
    <version>1.0.2</version>
  </dependency>
</dependencies>

NewsApiClient newsApiClient = new NewsApiClient("YOUR_API_KEY");

newsApiClient.getTopHeadlines(
                new TopHeadlinesRequest.Builder()
                        .q("bitcoin")
                        .language("en")
                        .build(),
                new NewsApiClient.ArticlesResponseCallback() {
                    @Override
                    public void onSuccess(ArticleResponse response) {
                        System.out.println(response.getArticles().get(0).getTitle());
                    }

                    @Override
                    public void onFailure(Throwable throwable) {
                       System.out.println(throwable.getMessage());
                    }
                }
        );

newsApiClient.getEverything(
                new EverythingRequest.Builder()
                        .q("trump")
                        .build(),
                new NewsApiClient.ArticlesResponseCallback() {
                    @Override
                    public void onSuccess(ArticleResponse response) {
                        System.out.println(response.getArticles().get(0).getTitle());
                    }

                    @Override
                    public void onFailure(Throwable throwable) {
                        System.out.println(throwable.getMessage());
                    }
                }
        );

newsApiClient.getSources(
                new SourcesRequest.Builder()
                        .language("en")
                        .country("us")
                        .build(),
                new NewsApiClient.SourcesCallback() {
                    @Override
                    public void onSuccess(SourcesResponse response) {
                        System.out.println(response.getSources().get(0).getName());
                    }

                    @Override
                    public void onFailure(Throwable throwable) {
                        System.out.println(throwable.getMessage());
                    }
                }
        );