Hi saurav

Yes for sure go for it. Sibce you know that you know basics of hava and oops concepts then it will beneficial for you to solve questions better.

Start from bsic or easy level and then move to medium and then hard. Donot change your coding practise platform. Simply go for it without any issue and then learn data structures and algorithms side by side.

Hope this answer will help you.

Thank you and very good luck!!!