1. True or False: The size of a String object may be changed.

2. True of False: A non-abstract class must contain non-abstract methods.

3. True or False: An abstract class must contain abstract methods.

4. True or False: An abstract method must be overridden in a non-abstract child class.

5. True or False: An abstract method cannot be overloaded in a child class.

6. True or False: An inner class has access to the private variables defined in its container class.

7. True or False: A child class has access to the private variables defined in its parent class.

8. True or False: An interface is a protocol by which two unrelated objects communicate.

9. True or False: A final method can be overridden in a child class.

10. True or False: A final method can be overloaded in a child class.

11. True or False: A Just in Time (JIT) compiler compiles code line by line as the program runs.

12. True or False: There is an adapter class for each listener interface.

13. True or False: A class can implement no more than one interface.

14. True or False: The Serializable interface specifies one method.

15. True or False: Each of the eight primitive data types has an associated object wrapper.

16. True or False: An object may invoke a protected member of its parent from another package.

17. True or False: The default layout manager for an application is BorderLayout.

18. True or False: Constructors may be over-ridden in a child class.

19. True or False: A static method may be overridden in a child class.

20. True or False: A checked exception is one that extends RuntimeException.