F   1. The first things in a data file are two numbers indicating the size of the environment.
  F   2. In a data file, the direction of a fish is indicated by 1 for North, 2 for East, etc.
  T   3. The Slow fish nextLocation method calls super.nextLocation.
  F   4. The Darter fish nextLocation method is probabilistic.
  T   5. The Slow fish nextLocation method is probabilistic.
  T   6. The Environment class could be used to model a marching band.
  F   7. It is possible to display the environment in GUI (Graphical User Interface) only.
  T   8. Classes whose objects will be put in an environment must implement the Locatable interface.
  T   9. A toaster is a “black box.”
  T   10. The constructors call an internal helper method, initialize.
  T   11. All objects in an environment must be Locatable.
  T   12. Always using the same random number generator produces a better set of random numbers.
  F   13. Where a fish thanks it is and where the environment thinks it is are always the same.
  T   14. A fish will move only if it is in a consistent state.
  F   15. emptyNeighbors returns a static array of locations.
  F   16. neighborsOf will always return exactly four locations.
  T   17. The changeLocation method notifies the environment to update itself.
  F   18. When changing location, a fish passes two location objects to the environment.
  T   19. Programs with random behavior can be difficult to test.
  F   20. If you seed the random number generator, it will produce a different set of numbers each time.
  F   21. An empty data file should generate an empty environment.
  T   22. Black box test cases may not cover all possibilities.
  F   23. Debug methods require creating an object.
  F   24. The Direction class does not contain diagnol directions.
  T   25. The getInstant method of the RandGenorator. Class is static.
  T   26. It would be possible for different types of fish to have different chances of breeding and dying.
  F   27. The breed method creates new fish.
  T   28. In a grid completely filled with fish, it is possible for a fish to move in the first timestep.
  T   29. A file with two or more fish at one location should generate an error.
  F   30. If a fish does not move in a timestep, it will not die in that timestep.
  T   31. If a fish breeds in a timestep, it will not move in that timestep.
  T   32. The percentage of deaths came closer to expectations with 20 timesteps that with 5 timesteps.
  T   33. “Override” means the same as “redefine.”
  F   34. If you redefine a method for a subclass, you must also redefine all the methods it calls.
  T   35. “Dynamic binding” means the same as “polymorphism.”
  T   36. It is possible for the Simulation class to use the protected methods of the Fish class.
  F   37. It is advisable for the Simulation class to use the protected methods of the Fish class.
  F   38. Constructors can be inherited.
  T   39. “Regression testing” is making sure modifications have not broken working code.
  F   40. Darter fish random numbers for movement.