| 8.32.Questions |
| 8.32.1. | The Object class is final(True/False). | | |
| 8.32.2. | Answer: Object class and final | | |
| 8.32.3. | The Class class can be used to load other classes(True/False). | | |
| 8.32.4. | Answer: class loader | | |
| 8.32.5. | The ClassLoader class can be used to load other classes(True/False). | | |
| 8.32.6. | Answer: ClassLoader and class loading | | |
| 8.32.7. | Which of the following classes is used to perform basic console I/O? | | |
| 8.32.8. | Answer: console I/O | | |
| 8.32.9. | Which of the following is not a wrapper class? | | |
| 8.32.10. | Answer: wrapper class | | |
| 8.32.11. | What is the output from the following code(Boolean class and if statement)? | | |
| 8.32.12. | Answer: Boolean class and if statement | | |
| 8.32.13. | What is the output of the following program(string concatenation)? | | |
| 8.32.14. | Answer: string concatenation | | |
| 8.32.15. | Which of the following methods are methods of the Math class? | | |
| 8.32.16. | Answer: Math class | | |
| 8.32.17. | Error and Exception classes extend Throwable(True/False). | | |
| 8.32.18. | Answer: Error and Exception | | |
| 8.32.19. | The Integer class extends the Number class(True/False). | | |
| 8.32.20. | Answer: Integer class and Number class | | |
| 8.32.21. | What is the output from the following code(Vector class)? | | |
| 8.32.22. | Answer: Vector class | | |
| 8.32.23. | What is the output from the following code(Stack)? | | |
| 8.32.24. | Answer: Stack | | |
| 8.32.25. | Which of the following extend the Collection interface? | | |
| 8.32.26. | Answer: Collection interface | | |
| 8.32.27. | Which of the following may have duplicate elements? | | |
| 8.32.28. | Answer: collection allowing duplicate elements | | |
| 8.32.29. | Can a null value be added to a List? | | |
| 8.32.30. | Answer: null value and List | | |
| 8.32.31. | What is the output of the following program(HashSet)? | | |
| 8.32.32. | Answer: HashSet | | |
| 8.32.33. | What is the output of the following program(TreeMap)? | | |
| 8.32.34. | Answer: TreeMap | | |
| 8.32.35. | Which statements could be inserted at // INSERT DECLARATION HERE to allow this code to compile and run? | | |
| 8.32.36. | Answer: generic List | | |
| 8.32.37. | What is the output(generic TreeSet)? | | |
| 8.32.38. | Answer: generic TreeSet | | |
| 8.32.39. | What is the output(Generic Map)? | | |
| 8.32.40. | Answer: Generic Map | | |