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How to use Elasticsearch in Java

Hello everyone, I am the editor of Weizhuan Taoke System 3.0, which builds a free coupon checking and rebate robot to save money and earn commissions. I am also a programmer who doesn’t wear thermal underwear in winter and has to be graceful even when it’s cold!

Overview

Elasticsearch is an open source distributed search engine for full-text search, structured search, and analysis. This article will introduce how to use Elasticsearch in Java applications, including connections, indexing documents, searching, and some best practices.

Connecting to Elasticsearch

To use Elasticsearch in Java, you first need to add the dependency of the Elasticsearch Java client library. It is recommended to use the official High Level REST Client.

Gradle dependency configuration example

dependencies {
    implementation 'org.elasticsearch.client:elasticsearch-rest-high-level-client:7.17.0'
}

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