Refer me any, that provides assignments daily in java.

Answer 1

Thimma Chowdary you can try some coch and user submitted challenge as an assignment in java.
https://www.sololearn.com/coach/?ref=app
https://www.sololearn.com/learn/?ref=app
https://www.sololearn.com/learn/7028/?ref=app

Answer 2

And you can also look here:
https://www.sololearn.com/discuss/1270852/?ref=app

Answer 3

DishaAhuja Tq