Can I do Python and Java script vesion parellel ?. how can I buy Java one?
https://learnjavathehardway.org/
you can try to do them at the same time but
i suggest to do one and then the other
this is the first iteration: Learn Javascript the Hard Way
this is the in-progress second iteration: https://learnjsthehardway.com/
From what I’ve seen last the second iteration looks like it’s pretty far along, it might be worth checking https://twitter.com/lzsthw for recent updates