Robot Example: GraphOne

In the following applet, a robot named karel makes a graph using thing objects. karel is a special kind of robot, a GraphBot. A GraphBot has one extra service that allows it to make a graph.

The robot is in a special kind of city, a GraphCity. A GraphCity is just like any other city except that it includes piles of Thing objects that serve as the "data" that karel graphs.

The source code is in three parts:

• GraphOne.java
• GraphBot.java (same as for GraphMultiple)
• GraphCity.java (same as for GraphMultiple and GraphThreads)