除了关闭不必要的项目以外，您还可以定义工作组：元素组(项目、文件夹、类等)。

In addition to closing unnecessary projects, you can define working sets: groups of elements (projects, folders, classes, etc.).

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您可以将JAR文件或实际的包文件夹和类文件放到这个目录下。

You can place either the JAR file or the actual package folders and class files into this directory.

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验证目标文件夹和目标类定义有效并存在于目标库中。

Verify that the target folder and target class definition are valid and exist on the target library.

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