- What is the accumulator pattern? What does the variable outside the loop do?
- What is an array? How is it different from a single variable?
- How do you access one element of an array? How do you find its length?
- What is a field or instance variable? What is the getter/setter pattern? What is a constructor?
- Distinguish between static vs non-static method and explain why getters and setters must be non-static.