| 8.33.Questions |
| 8.33.1. | Which of the calls modifies the string s? | | |
| 8.33.2. | Answer: string value | | |
| 8.33.3. | Which is the output of the following code? | | |
| 8.33.4. | Answer: compare two strings | | |
| 8.33.5. | You can subclass java.lang.Math to create your own class(True/False). | | |
| 8.33.6. | Answer: Math class and subclass | | |
| 8.33.7. | Which is the output of the following code fragment? | | |
| 8.33.8. | Answer: Math.cos | | |
| 8.33.9. | After execution of line 2, sbuf still references the same instance. | | |
| 8.33.10. | Answer: StringBuffer reference | | |
| 8.33.11. | What is the output of the following code(string literal comparision)? | | |
| 8.33.12. | Answer: string literal comparision | | |
| 8.33.13. | What is the output of the following code(string literal and reference)? | | |
| 8.33.14. | Answer: string literal and reference | | |
| 8.33.15. | Which of the following are legal Java statements? | | |
| 8.33.16. | Answer: Integer wrapper | | |
| 8.33.17. | Is it a legal statement: List theList = new Vector; | | |
| 8.33.18. | Answer: generic class | | |
| 8.33.19. | Which of the following are legal(enhanced while loop)? | | |
| 8.33.20. | Answer: enhanced while loop | | |
| 8.33.21. | What is the legal clone() methods when subclassing Object? | | |
| 8.33.22. | Answer: clone method | | |
| 8.33.23. | Which of the following classes implement java.util.List? | | |
| 8.33.24. | Answer: java.util.List inheritance | | |
| 8.33.25. | Which of the following are methods of the java.util.SortedSet interface? | | |
| 8.33.26. | Answer: java.util.SortedSet | | |
| 8.33.27. | Which line of code tells a scanner called sc to use a single digit as a delimiter? | | |
| 8.33.28. | Answer: Scanner class | | |
| 8.33.29. | What happens when you try to compile and run this application? | | |
| 8.33.30. | Answer: TreeSet | | |
| 8.33.31. | How to compare two arrays | | |
| 8.33.32. | Answer: java.util.Arrays | | |
| 8.33.33. | StringBuilder is generally faster than StringBuffer(True/False). | | |
| 8.33.34. | Answer: StringBuilder and StringBuffer | | |
| 8.33.35. | StringBuilder is threadsafe; StringBuffer is not(True/False). | | |
| 8.33.36. | Answer: StringBuilder and StringBuffer(2) | | |
| 8.33.37. | The Class class is the superclass of the Object class(True/False). | | |
| 8.33.38. | Answer: Class and Object | | |