program and track a car on a road

[david16]

I trying to work on a challenging topic which I would certainly need help and advice . I will upload an image followed by the explanation in order to make things much easier to understand .

So I have uploaded the image. What I'm trying to figure out is to program cars to begin from the starting point in the right corner of the image and take either road 1 in black or road 2 in violet and go all the way round and come back to the starting point where everything began. lets say I have 5 cars in first place and the cars should surf and stop in specific location which I represented in stars before coming back to the starting point I mentioned in the beginning . I should be able at any time to track and locate all cars surfing on either road 1 or road 2 . what I think I should use is coordinates (x,y) with toString to tell me the location of cars on the roads. And I think also use of inheritance is important to pass object between cars and make it more flexible . What is a bit tricky here is how to use coordinates and be able to make the cars stop by itself at specific places which are represented with stars. hope you can give me your tips , advice . thank you for your time and support.