what boes it do java

Answer 1

u make simple programs as well as complex programs ...
//its like making real life objects of classes & having fun
//at least for me

//here is the course , u will get introduction of java in first page ☺
https://www.sololearn.com/Course/Java/?ref=app

Answer 2

Maybe this will help
https://code.sololearn.com/WwdQescTMkvA/?ref=app

Answer 3

u can make program to build project