The best would be to start with simple scenarios like the crabs scenario and trying to understand it yourself, if you have further questions make a discussion.
Well, I do not have much experience with programming and am learning object oriented programming and I need to make a game work for my final semester of college.
I'm wondering how the interaction objects and senarios!
You can help me?!
It probably would best for you to go over some of the Java trails (tutorials). You can find them here. The second section on the left (Trails Covering the Basics) would be the place to start.