What Java libs may i use with sololearn?

Question

In python you can use numpy that Is not a standard lib, i would to know which Java libraries can be used.

Answer 1

Only the official java api.

Answer 2

Thanks Denise Roßberg 😊 !

Answer 3

Walter Perdan Your welcome :)

Answer 4

I didn't a lot with Java, i will share my codes exploration !