# 使用Java自定义Exporter

本小节将带领读者了解Promrtheus提供的client\_java的基本用法，并且在最后在Spring Boot应用程序中使用client\_java，直接在应用程序层面提供对Prometheus的支持。


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://hezhiqiang.gitbook.io/prometheus/part-ii-prometheus-jin-jie/exporter/custom_exporter_with_java.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.