# Java (/ja/quickstarts/java)

<!-- agent-signals: reading_time_min: 3 · est_tokens: 1952 · updated: 2026-07-30 -->
Related: [Node.js](/ja/quickstarts/nodejs.md), [Next.js](/ja/quickstarts/nextjs.md), [Express](/ja/quickstarts/express.md), [NestJS](/ja/quickstarts/nestjs.md), [Fastify](/ja/quickstarts/fastify.md), [Hono](/ja/quickstarts/hono.md)

<div id="prerequisites">
  ## 前提条件 [#前提条件]
</div>

* Java 11+
* Firecrawl APIキー — [無料で取得する](https://www.firecrawl.dev/app/api-keys)

<div id="install-the-sdk">
  ## SDK のインストール [#sdk-のインストール]
</div>

<Tabs>
  <Tab title="Gradle (Kotlin DSL)">
    ```kotlin
    dependencies {
        implementation("com.firecrawl:firecrawl-java:1.2.0")
    }
    ```
  </Tab>

  <Tab title="Maven">
    ```xml
    <dependency>
        <groupId>com.firecrawl</groupId>
        <artifactId>firecrawl-java</artifactId>
        <version>1.2.0</version>
    </dependency>
    ```
  </Tab>
</Tabs>

<div id="search-the-web">
  ## Webを検索 [#webを検索]
</div>

```java
import com.firecrawl.client.FirecrawlClient;
import com.firecrawl.models.SearchData;
import com.firecrawl.models.SearchOptions;

public class Main {
    public static void main(String[] args) {
        FirecrawlClient client = FirecrawlClient.builder()
            .apiKey("fc-YOUR-API-KEY")
            .build();

        SearchData results = client.search(
            "firecrawl web scraping",
            SearchOptions.builder().limit(5).build()
        );

        if (results.getWeb() != null) {
            for (var result : results.getWeb()) {
                System.out.println(result.get("title") + " - " + result.get("url"));
            }
        }
    }
}
```

<div id="scrape-a-page">
  ## ページのスクレイピング [#ページのスクレイピング]
</div>

```java
import com.firecrawl.models.Document;

Document doc = client.scrape("https://example.com");
System.out.println(doc.getMarkdown());
```

<Accordion title="レスポンス例">
  ```json
  {
    "markdown": "# Example Domain\n\nThis domain is for use in illustrative examples...",
    "metadata": {
      "title": "Example Domain",
      "sourceURL": "https://example.com"
    }
  }
  ```
</Accordion>

<div id="interact-with-a-page">
  ## ページをInteractする [#ページをinteractする]
</div>

ブラウザセッションを開き、そこで Playwright コードを実行し、完了したら閉じます。

```java
import com.firecrawl.models.ScrapeOptions;
import com.firecrawl.models.BrowserExecuteResponse;
import java.util.List;

Document doc = client.scrape("https://www.amazon.com",
    ScrapeOptions.builder().formats(List.of((Object) "markdown")).build());
String scrapeId = (String) doc.getMetadata().get("scrapeId");

BrowserExecuteResponse run = client.interact(scrapeId,
    "const title = await page.title(); console.log(title);");
System.out.println(run.getStdout());

client.stopInteractiveBrowser(scrapeId);
```

<div id="environment-variable">
  ## 環境変数 [#環境変数]
</div>

`apiKey` を直接渡す代わりに、`FIRECRAWL_API_KEY` 環境変数を設定してください：

```bash
export FIRECRAWL_API_KEY=fc-YOUR-API-KEY
```

```java
FirecrawlClient client = FirecrawlClient.fromEnv();
```

<div id="next-steps">
  ## 次のステップ [#次のステップ]
</div>

<CardGroup cols="2">
  <Card title="Search ドキュメント" icon="<svg xmlns=&#x22;http://www.w3.org/2000/svg&#x22; viewBox=&#x22;0 0 24 24&#x22; fill=&#x22;none&#x22;><path d=&#x22;M8 7L16 7&#x22; stroke=&#x22;currentColor&#x22; stroke-linecap=&#x22;round&#x22; stroke-linejoin=&#x22;round&#x22; stroke-width=&#x22;1.5&#x22;/><path d=&#x22;M8 11L12 11&#x22; stroke=&#x22;currentColor&#x22; stroke-linecap=&#x22;round&#x22; stroke-linejoin=&#x22;round&#x22; stroke-width=&#x22;1.5&#x22;/><path d=&#x22;M13 21.5V21C13 18.1716 13 16.7574 13.8787 15.8787C14.7574 15 16.1716 15 19 15H19.5M20 13.3431V10C20 6.22876 20 4.34315 18.8284 3.17157C17.6569 2 15.7712 2 12 2C8.22877 2 6.34315 2 5.17157 3.17157C4 4.34314 4 6.22876 4 10L4 14.5442C4 17.7892 4 19.4117 4.88607 20.5107C5.06508 20.7327 5.26731 20.9349 5.48933 21.1139C6.58831 22 8.21082 22 11.4558 22C12.1614 22 12.5141 22 12.8372 21.886C12.9044 21.8623 12.9702 21.835 13.0345 21.8043C13.3436 21.6564 13.593 21.407 14.0919 20.9081L18.8284 16.1716C19.4065 15.5935 19.6955 15.3045 19.8478 14.9369C20 14.5694 20 14.1606 20 13.3431Z&#x22; stroke=&#x22;currentColor&#x22; stroke-linecap=&#x22;round&#x22; stroke-linejoin=&#x22;round&#x22; stroke-width=&#x22;1.5&#x22;/></svg>" href="/ja/features/search">
    Web を検索してページ全体のコンテンツを取得
  </Card>

  <Card title="スクレイピング ドキュメント" icon="<svg xmlns=&#x22;http://www.w3.org/2000/svg&#x22; viewBox=&#x22;0 0 24 24&#x22; fill=&#x22;none&#x22;><path d=&#x22;M8 7L16 7&#x22; stroke=&#x22;currentColor&#x22; stroke-linecap=&#x22;round&#x22; stroke-linejoin=&#x22;round&#x22; stroke-width=&#x22;1.5&#x22;/><path d=&#x22;M8 11L12 11&#x22; stroke=&#x22;currentColor&#x22; stroke-linecap=&#x22;round&#x22; stroke-linejoin=&#x22;round&#x22; stroke-width=&#x22;1.5&#x22;/><path d=&#x22;M13 21.5V21C13 18.1716 13 16.7574 13.8787 15.8787C14.7574 15 16.1716 15 19 15H19.5M20 13.3431V10C20 6.22876 20 4.34315 18.8284 3.17157C17.6569 2 15.7712 2 12 2C8.22877 2 6.34315 2 5.17157 3.17157C4 4.34314 4 6.22876 4 10L4 14.5442C4 17.7892 4 19.4117 4.88607 20.5107C5.06508 20.7327 5.26731 20.9349 5.48933 21.1139C6.58831 22 8.21082 22 11.4558 22C12.1614 22 12.5141 22 12.8372 21.886C12.9044 21.8623 12.9702 21.835 13.0345 21.8043C13.3436 21.6564 13.593 21.407 14.0919 20.9081L18.8284 16.1716C19.4065 15.5935 19.6955 15.3045 19.8478 14.9369C20 14.5694 20 14.1606 20 13.3431Z&#x22; stroke=&#x22;currentColor&#x22; stroke-linecap=&#x22;round&#x22; stroke-linejoin=&#x22;round&#x22; stroke-width=&#x22;1.5&#x22;/></svg>" href="/ja/features/scrape">
    フォーマット、アクション、プロキシなど、スクレイピングのオプションをすべて網羅
  </Card>

  <Card title="Interact ドキュメント" icon="<svg xmlns=&#x22;http://www.w3.org/2000/svg&#x22; viewBox=&#x22;0 0 24 24&#x22; fill=&#x22;none&#x22;><path d=&#x22;M8 7L16 7&#x22; stroke=&#x22;currentColor&#x22; stroke-linecap=&#x22;round&#x22; stroke-linejoin=&#x22;round&#x22; stroke-width=&#x22;1.5&#x22;/><path d=&#x22;M8 11L12 11&#x22; stroke=&#x22;currentColor&#x22; stroke-linecap=&#x22;round&#x22; stroke-linejoin=&#x22;round&#x22; stroke-width=&#x22;1.5&#x22;/><path d=&#x22;M13 21.5V21C13 18.1716 13 16.7574 13.8787 15.8787C14.7574 15 16.1716 15 19 15H19.5M20 13.3431V10C20 6.22876 20 4.34315 18.8284 3.17157C17.6569 2 15.7712 2 12 2C8.22877 2 6.34315 2 5.17157 3.17157C4 4.34314 4 6.22876 4 10L4 14.5442C4 17.7892 4 19.4117 4.88607 20.5107C5.06508 20.7327 5.26731 20.9349 5.48933 21.1139C6.58831 22 8.21082 22 11.4558 22C12.1614 22 12.5141 22 12.8372 21.886C12.9044 21.8623 12.9702 21.835 13.0345 21.8043C13.3436 21.6564 13.593 21.407 14.0919 20.9081L18.8284 16.1716C19.4065 15.5935 19.6955 15.3045 19.8478 14.9369C20 14.5694 20 14.1606 20 13.3431Z&#x22; stroke=&#x22;currentColor&#x22; stroke-linecap=&#x22;round&#x22; stroke-linejoin=&#x22;round&#x22; stroke-width=&#x22;1.5&#x22;/></svg>" href="/ja/features/interact">
    クリック、フォーム入力、動的コンテンツの抽出
  </Card>

  <Card title="Java SDK リファレンス" icon="<svg xmlns=&#x22;http://www.w3.org/2000/svg&#x22; viewBox=&#x22;0 0 24 24&#x22; fill=&#x22;none&#x22;><path d=&#x22;M8 7L16 7&#x22; stroke=&#x22;currentColor&#x22; stroke-linecap=&#x22;round&#x22; stroke-linejoin=&#x22;round&#x22; stroke-width=&#x22;1.5&#x22;/><path d=&#x22;M8 11L12 11&#x22; stroke=&#x22;currentColor&#x22; stroke-linecap=&#x22;round&#x22; stroke-linejoin=&#x22;round&#x22; stroke-width=&#x22;1.5&#x22;/><path d=&#x22;M13 21.5V21C13 18.1716 13 16.7574 13.8787 15.8787C14.7574 15 16.1716 15 19 15H19.5M20 13.3431V10C20 6.22876 20 4.34315 18.8284 3.17157C17.6569 2 15.7712 2 12 2C8.22877 2 6.34315 2 5.17157 3.17157C4 4.34314 4 6.22876 4 10L4 14.5442C4 17.7892 4 19.4117 4.88607 20.5107C5.06508 20.7327 5.26731 20.9349 5.48933 21.1139C6.58831 22 8.21082 22 11.4558 22C12.1614 22 12.5141 22 12.8372 21.886C12.9044 21.8623 12.9702 21.835 13.0345 21.8043C13.3436 21.6564 13.593 21.407 14.0919 20.9081L18.8284 16.1716C19.4065 15.5935 19.6955 15.3045 19.8478 14.9369C20 14.5694 20 14.1606 20 13.3431Z&#x22; stroke=&#x22;currentColor&#x22; stroke-linecap=&#x22;round&#x22; stroke-linejoin=&#x22;round&#x22; stroke-width=&#x22;1.5&#x22;/></svg>" href="/ja/sdks/java">
    クロール、map、バッチスクレイピングなどを含む完全な SDK リファレンス
  </Card>
</CardGroup>
