| 6.16.Questions |
| 6.16.1. | "X extends Y" is correct if and only if X is a class and Y is an interface(True/False) | | |
| 6.16.2. | Answer: interface extends | | |
| 6.16.3. | "X extends Y" is correct if and only if X is an interface and Y is a class(True/False) | | |
| 6.16.4. | Answer: class and interface | | |
| 6.16.5. | "X extends Y" is correct if X and Y are either both classes or both interfaces(True/False) | | |
| 6.16.6. | Answer: interface hierarchy | | |
| 6.16.7. | Which method names follow the JavaBeans standard? | | |
| 6.16.8. | Answer: JavaBeas naming convention | | |
| 6.16.9. | Which, inserted independently at 'insert code here', will compile? | | |
| 6.16.10. | Answer: method overloading and var-arg | | |
| 6.16.11. | What is the result(enum value)? | | |
| 6.16.12. | Answer: enum value | | |
| 6.16.13. | What is the result when trying to compiling the following code(abstract and interface)? | | |
| 6.16.14. | Answer: abstract and interface | | |
| 6.16.15. | What is the result when trying to compiling the following code(variable name)? | | |
| 6.16.16. | Answer: variable name | | |
| 6.16.17. | What is the result when trying to compiling the following code(array declaration)? | | |
| 6.16.18. | Answer: array declaration | | |
| 6.16.19. | What is the result when trying to compiling the following code(enum definition spot)? | | |
| 6.16.20. | Answer: enum definition spot | | |
| 6.16.21. | What is the result(enum and for loop)? | | |
| 6.16.22. | Answer: enum and for loop | | |
| 6.16.23. | What is the result(static method)? | | |
| 6.16.24. | Answer: static method | | |
| 6.16.25. | Is the following code compilable(subclass and override)? | | |
| 6.16.26. | Answer: subclass and override | | |
| 6.16.27. | Is the following code compilable(subclass and overloading) | | |
| 6.16.28. | Answer: subclass and overloading | | |
| 6.16.29. | Is the following code compilable(override and exception throws statements)? | | |
| 6.16.30. | Answer: override and exception throws statements | | |
| 6.16.31. | What is the output(compare two enum values)? | | |
| 6.16.32. | Answer: compare two enum values | | |
| 6.16.33. | What is the output of the following program(class inheritance and shadowing)? | | |
| 6.16.34. | Answer: class inheritance and shadowing | | |
| 6.16.35. | What is the output of the following program(inner class)? | | |
| 6.16.36. | Answer: using inner class | | |
| 6.16.37. | What is ture for a fully encapsulated class? | | |
| 6.16.38. | Answer: encapsulated class | | |
| 6.16.39. | What is an example of polymorphism? | | |
| 6.16.40. | Answer: polymorphism | | |
| 6.16.41. | Which modifiers may not be used with a top-level class? | | |
| 6.16.42. | Answer: Which modifiers may not be used with a top-level class | | |
| 6.16.43. | The compiler supplies a default constructor if no constructors are provided for a class(True/False). | | |
| 6.16.44. | Answer: default constructor | | |
| 6.16.45. | All constructors have a void return type(True/False). | | |
| 6.16.46. | Answer: return type for constructors | | |
| 6.16.47. | A constructor may throw an exception(True/False). | | |
| 6.16.48. | Answer: constructor and exception | | |