Hello i have an bouncing ball game in java, but i need an solution for my question to add in my code:

Modify the jumper ball application so that it has a small rectangular barrier in the center of the box and the ball changes the direction of movement in contact with the barrier

I upload the source code in google drive:

https://drive.google.com/file/d/1GZw4EE5Sv-2kizYV_0KTVpdbf576hHKi/view

Thanks