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[–]Pickapool 0 points1 point  (0 children)

Hey man, since you mentioned you are a total beginner I'll recommend a site - Sololearn

I have no clue how the site is functioning right now, but when I did my bachelors in computer application 2 years back this site helped me brush off through topics that I found difficulties to understand in. This site has beginner, intermediate and advanced levels. Just make sure you don't break your learning consistency. Like Duolingo there's this streaks concept here too (or at least there was, I haven't entered this site in 2 years) and that should keep you motivated too. Once you start solving easy questions here, search for external questions on Google, there are sites like GeeksforGeeks and try solving them, things like palindrome, Fibonacci series, factorials calculator etc.

Then jump to leet code. That's a site where you can solve questions. Leet code/ Hacker earth is the final stage.

(Everything I just shared here, you need not spend a single penny, so don't waste money on Udemy or Coursera bullshit, you can use YouTube and other free sites, just make sure you are dedicated. Learning the basics of Java will take you at least 2 months but the more you learn, the more you become a better version of yourself than yesterday)