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# Java Tools

The Java SDK includes a development web server tool for testing your application on your local computer, and a tool for uploading your files and interacting with your app on App Engine. You can also use the Google Plugin for Eclipse, available separately, for developing App Engine and GWT applications using the Eclipse IDE. If you use Apache Ant to build your projects, the SDK includes an Ant plugin to perform the DataNucleus Access Platform data class enhancement step required to use the JDO and JPA interfaces.

This guide contains the following sections:

- Development Server
- Uploading and Managing an App
- Google Plugin for Eclipse
- Using Apache Ant
- Capabilities Service Test Configuration
- Local Unit Testing
  - Testing Javadoc
- Appstats
- Remote API