Eclipse Plug-in Development Beginner's Guide - Second Edition

Using natures

Although builders can be configured on a project manually, they aren't usually added directly. Instead, a project may have natures which describe the type of project; and natures can be automatically associated with builders. For example, a Java project is identified with a Java nature, and others (such as the PDE project) are identified as both a Java project and an additional nature for PDE processing. Other languages have their own natures, such as C.