OCP Oracle Certified Professional Java SE 11 Programmer II Study Guide

Appendix BAnswers to Review Questions

Chapter 1: Java Fundamentals

1. A, D. Instance and static variables can be marked final, making option A correct. Effectively final means a local variable is not marked final but whose value does not change after it is set, making option B incorrect. The final modifier can be applied to classes, but not interfaces, making option C incorrect. Remember, interfaces are implicitly abstract, which is incompatible with final. Option D is correct, as the definition of a final class is that it cannot be extended. Option E is incorrect, as final refers only to the reference to an object, not its contents. Finally, option F is incorrect, as var and final can be used together.
2. C. When an enum contains only a list ...