源文件夹不是Java项目

Question

I am working on eclipse on my mac and using gitHub to import a project. The import works fine except that when I try to add a class it doesn't work an says "Source folder is not a java project" I have googled this error some sources came up but nothing that solves my problem.

Answer 1

edited.

You can specify it in Project -> Properties -> Java Build Path -> Source

It's kind of common practice, that open source project doesn't have any specific project settings for Eclipse or Idea or for some other environment tool. Usually those files are in git ignore or in git exclude.