java框架在未来有哪些发展方向？

import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.search.SearchHit;
import org.elasticsearch.search.SearchHits;
import org.elasticsearch.search.builder.SearchSourceBuilder;

import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

public class ElasticSearchExample {

    public static void main(String[] args) throws IOException {
        // 创建客户端
        RestHighLevelClient client = new RestHighLevelClient(...);

        // 构建查询
        SearchSourceBuilder sourceBuilder = new SearchSourceBuilder();
        sourceBuilder.query(QueryBuilders.termQuery("title", "ElasticSearch"));

        // 执行查询
        SearchHits searchHits = client.search(sourceBuilder, Index);

        // 解析结果
        List<String> titles = Arrays.stream(searchHits.getHits())
                .map(SearchHit::getSourceAsString)
                .map(json -> json.substring(json.indexOf("title\":") + 7, json.indexOf(",")))
                .collect(Collectors.toList());

        // 打印结果
        System.out.println(titles);
    }
}