Java II

This is a Dojo lesson to strengthen your understanding of the Object-Oriented Programming fundamentals covered in Java study IV. With only a few hints, this is your chance to try to build a program on your own! It’s important to get a solid grasp of these concepts because they are indispensable for programmers!

Icn clock
Are you sure?
This will delete all the progress you've made in 「Java Dojo II」.
Are you sure you want to restart?

Start the lesson from the initial state.
Warning: your code will be deleted.

Review the lesson without
resetting your code.