| 9.8.Questions |
| 9.8.1. | Unicode characters are all 16 bits(True/False). | | |
| 9.8.2. | Answer: unicode | | |
| 9.8.3. | When creating an instance of File class, you have to use the file-naming semantics of the local machine(True/False). | | |
| 9.8.4. | Answer: File class creation | | |
| 9.8.5. | When constructing File class instance, there has to a corresponding file on the file system. | | |
| 9.8.6. | Answer: File class instance | | |
| 9.8.7. | How to use File class to list the contents of a directory? | | |
| 9.8.8. | Answer: File class and directory | | |
| 9.8.9. | What is the output(FileOutputStream)? | | |
| 9.8.10. | Answer: FileOutputStream | | |
| 9.8.11. | Construct a FileReader, passing the name of the file. Call the file reader's readInt() method(True/False). | | |
| 9.8.12. | Answer: FileReader | | |
| 9.8.13. | Create a PipedInputStream, passing the name of the file. Call the piped input stream's readInt() method(True/False). | | |
| 9.8.14. | Answer: PipedInputStream | | |
| 9.8.15. | Create a FileReader, passing the name of the file. Chain a DataInputStream Onto the FileReader(True/False). | | |
| 9.8.16. | Answer: FileReader and chain | | |
| 9.8.17. | Readers have methods that can read and return floats and doubles(True/False). | | |
| 9.8.18. | Answer: file readers | | |
| 9.8.19. | Readers have methods that can read and return floats(True/False). | | |
| 9.8.20. | Answer: readers | | |
| 9.8.21. | Can you create File in the following way? | | |
| 9.8.22. | Answer: File object creation | | |
| 9.8.23. | What is the output(RandomAccessFile)? | | |
| 9.8.24. | Answer: using RandomAccessFile | | |
| 9.8.25. | Default serialization is bypassed only if the writeObject() method has private access(True/False). | | |
| 9.8.26. | Answer: serialization | | |
| 9.8.27. | Default deserialization is bypassed only if the readObject() method has private access(True/False). | | |
| 9.8.28. | Answer: deserialization and readObject() | | |
| 9.8.29. | For the following code, how to avoid an exception during deserialization of an instance of C? | | |
| 9.8.30. | Answer: exception and deserialization | | |
| 9.8.31. | How to avoid an exception during deserialization of an instance of C? | | |
| 9.8.32. | Answer: externalizable | | |
| 9.8.33. | Which fields are written when an instance of MyClass is serialized? | | |
| 9.8.34. | Answer: implements java.io.Serializable | | |
| 9.8.35. | What method from the java.io.File can create a file on the hard drive? | | |
| 9.8.36. | Answer: file creation | | |
| 9.8.37. | System.out has a println() method(True/False). | | |
| 9.8.38. | Answer: System.out | | |
| 9.8.39. | System.out has a format() method(True/False). | | |
| 9.8.40. | Answer: System.out and format() | | |
| 9.8.41. | System.err has a println() method(True/False). | | |
| 9.8.42. | Answer: System.err | | |
| 9.8.43. | System.err has a format () method(True/False). | | |
| 9.8.44. | Answer: System.err and format() | | |
| 9.8.45. | Which are valid mode strings for the RandomAccessFile constructor? | | |
| 9.8.46. | Answer for valid mode for the RandomAccessFile | | |
| 9.8.47. | Which of the following are valid arguments to the DataInputStream constructor? | | |
| 9.8.48. | Answer: DataInputStream constructor | | |
| 9.8.49. | The InputStream and OutputStream classes are byte-oriented(True/False). | | |
| 9.8.50. | Answer: InputStream and OutputStream | | |
| 9.8.51. | The ObjectInputStream and ObjectOutputStream classes do not support serialized object input and output(True/False). | | |
| 9.8.52. | Answer: ObjectInputStream and ObjectOutputStream | | |
| 9.8.53. | The Reader and Writer classes are character-oriented(True/False). | | |
| 9.8.54. | Answer: Reader and Writer | | |
| 9.8.55. | How many bytes does the following program write to temp.txt? | | |
| 9.8.56. | Answer: bytes written | | |