It goes over the basic physics concepts in Box2D and how to implement them. Additionally, it goes over dynamic bodies, sprites and even provides tutorials for common Box2D implementations Tutorial Series. They're in C++, but the concepts are the same as Java
YouTube Tutorials
CLICK ME!
This guy has a bunch of tutorials about various topics on Box2D, so he'll be a great reference for the future as well.
Documentation of Box2D on LibGDX:
https://libgdx.com/wiki/extensions/physics/box2d
It goes over the basic physics concepts in Box2D and how to implement them. Additionally, it goes over dynamic bodies, sprites and even provides tutorials for common Box2D implementations Tutorial Series. They're in C++, but the concepts are the same as Java
YouTube Tutorials
CLICK ME!
This guy has a bunch of tutorials about various topics on Box2D, so he'll be a great reference for the future as well.