Where i have to type java code

Question

https://www.sololearn.com/discuss/2817466/?ref=app

Answer 1

In java code playground

Answer 2

Code section=> tap on new code=> select java then type and save..
or
from your profile code bits : tap on +, seen below , select java . (your all code will be in code bits)

Why you added link in description? Remove it if not relevant...

Answer 3

In case you are in search of IDE:
https://code.sololearn.com/WBtU8d8oH95m/?ref=app