从项目窗口（窗口 - >项目）或 Ctri-1

导航到所需的.java文件，然后右键单击它，然后选择属性。该文件的路径显示在所有文件下。

Navigate to the .java file you want, and right-click on it, and select Properties. The path to the file is shown under All Files.

查看项目的路径右键单击项目名称上的（在项目窗口中），选择属性，项目文件夹显示在来源 - >项目文件夹

To see the path to the project right-click on the name of the project (in the Projects window), select Properties, and the project folder is shown under Sources-->Project Folder