10 ♠What are 2d-arrays/modeling?37
  • What is a multi-dimensional array? What does int[][] represent?
  • How do you access a value in a 2D array?
  • What is "Modeling" in the context of OOP?
  • How are instance variables useful in modeling? How are methods useful?
  • What might multi-dimensional arrays be useful for modeling?
  • What is the value stored in an instance variable that has not been set?
  • What happens a method is called on an instance variable that has not been set?