官方教程 :
https://www.elastic.co/guide/en/elasticsearch/client/java-rest/current/java-rest-high.html

参考 使用Java High Level REST Client操作elasticsearch

配置

引入依赖

客户端版本号和 ElasticSearch 版本号是一一对应的.
MAVEN

<dependency>
    <groupId>org.elasticsearch.client</groupId>
    <artifactId>elasticsearch-rest-high-level-client</artifactId>
    <version>7.10.2</version>
</dependency>

Gradle

dependencies {
    compile 'org.elasticsearch.client:elasticsearch-rest-high-level-client:7.10.2'
}