Traffic Lights at Intersection models the flow of cars at an intersection with traffic lights. The objective of the simulation is to study the average wait duration for cars at the intersection and the average number of cars waiting at the intersection.
Buffet Restaurant models buffet-style restaurant. Customer arrive at restaurant, pick up food from buffet area (we will will assume only one food item: salad), reach cashier for payment and leave the restaurant. The objective of the simulation is to study the average time spent by customers at the restaurant, and the average number of customers inside the restaurant.