How to write java programs on this app??

Answer 1

Sambhav Jain hope this helps you
1.Go to the code section
2.You will get a + button at right-bottom of the screen click on it
3.Choose java

Answer 2

At the footer of the page you'll see some icons. Between this discussion thread icon and activity feed icon you will find code playground like this { } , then tap on the ( + ) and code with your desired language.
:)

Answer 3

Thanku