java - How to debug transformAndConcat in Google guava? -


i'm trying understand transformations within collection written in existing app, heavily uses google guava library.

to more specific, can't step transformandconcat method in intellij idea.

i'm using jdk 7. lazy , terminal operations can't used. or i'm wrong?

how can debug method?

if mean want step guava transformandconcat method itself, can use "f7" or click "step into" button in debug window step transformandconcat method.

intellij idea 2016.2 help:stepping through program


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