We crawl the top-star 100 Java projects from the Github in 2020/09. We further extract the abstract syntax tree and static analysis on the extracted code snippets.

There are 1,288,071 methods in the dataset in which 218,737 methods contain documentation. 

In those methods that contain documentation, there are 21,974 methods contain method caller and 56,461 contains method callee(all caller/callee can be found in the dataset). Besides, 122,119 methods contain field information, 121,186 contain co-location information and 218, 737 contain class information(declaration information).

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