Copro2 Midterm Exam

1. The exception must be of the Throwable class or one of its subclasses

True

False

2. For each try block, there can be one or more catch blocks, but at most only one finally block

True

False

3.

The File's lastModified() method will return _________.

A. the file it was first opened

B. the file it was last modified

Cc. the file it was recently opened

D. the file it was last accessed

4. The File's canRead() method will return true if the file is __________.

A. existing

B. accessible

C. writable

D. readable

5.

The File's getName() method will return _________.

A. the name of the file

B. the name of the object

C. the name of the class

D. void

6.

What type of exception will you use if you are trying to access an object which is null?

A. NullPointerException

B. StringIndexOutOfBoundsException

C. ArrayIndexOutOfBoundsException

D. IOException

7. Each catch block defines an exception handle

True

False

8. The File's exists() method will return true if the file is __________.

A. existing

B. accessible

C. writable

D. readable

9. A throws clause lists the types of exceptions that a method might throw

True

False

10. This encompasses all exceptions which can ordinarily happen at runtime

A. error

B. exception

C. Runtime Exception

D. User Exception

11.

What type of exception will you use if you are trying to access a secure web browser?

A. SecurityException

B. FileNotFoundException

C. OnAccessException

D. IOException

12. What type of exception will you use if your program attempt to divide a value to zero?

A. NullPointerExcption

B. ArithmeticException

C. ArrayIndexOutOfBounds

D. IOExcption

13. It is a sequence of data flowing from a source to a destination.

A. data flow

B. stream

C. input

D. output

14. The java.io package contains a ___________ class that is used to read from and write data to anywhere in a file.

A. RandAccessFile

B. RandomAccessFile

C. AccessFile

D. ReadWriteFile

15. When you perform an input operation in a java program, you use a ___________.

A. pipeline

B. channel

C. moderator

D. stream

16. You can use Byte Streams in reading and writing character data

True

False

17. The file method canWrite returns a _________value.

A. integer

B. Boolean

C. Object

D. void

18. It takes a single argument which must be an object that is a subclass of Throwable.

A. error

B. exception

C. Runtime Exception

D. User Exception

19. Which of the following statements is true?

A. Errors are more serious than Exceptions

B. Exceptions are more serious than Errors

C. Errors and Exceptions are equally serious

D. Exceptions and errors are same thing

20. A segment of code that can handle an exception that might be thrown by the try block that precedes it.

A. finally block

B. try block

C. catch block

D. final block

21. The ______ package contains all the classes you use in file processing.

A. java.file

B. java.io

C. java.lang

D. java.process

22. It is a storage place where data can be kept before it is needed by a program that reads or writes that data.

A. reader

B. writer

C. buffer

D. stream

23. What type of exception will you use if the user tries to save a file in a disk which is full?

A. DiskFullException

B. NullPointerException

C. OutOfStackException

D. OutOfMemoryException

24.

The File's getParent() method will return _________.

A. the name of the folder which the file can be found

B. the name of the file which currently executing

C. the name of the folder in My Documents.

D. the default folder

25.

The File's canWrite() method will return true if the file is __________.

A. rewritable

B. accessible

C. writable

D. readable

26. The method ___________ is used for obtaining the current location of the file pointer

A. getFilePonter()

B. seek()

C. skipBytes()

D. search()

27. These are normal errors that can occur during the execution of a program

A. error

B. exception

C. Runtime Exception

C. User Exception

28. A block of code you attempt to execute while acknowledging that an exception might occur

A. finally block

B. try block

C. catch block

D. final block

29. The character streams are used to transfer _______ of characters.

A. 8 bits

B. 8 bytes

C. 16 bits

D. 32 bytes

30. This is a technique to manage errors comprises the group of methods

A. exception

B. error

C. error handling

D. exception handling

31. The method __________ moves the file pointer in the forward direction by the number of bytes that are specified

A. getFilePonter()

B. seek()

C. skipBytes()

D. search()

32. These are serious errors in the Java runtime system

A. error

B. exception

C. Runtime Exception

D. User Exception

33. What type of exception will you use if you are trying to access a non-existing character?

A. NullPointerException

B. StringIndexOutOfBoundsException

C. ArrayIndexOutOfBoundsException

D. IOException

34. What type of exception will you use if you are trying to access a non-existing index?

A. NullPointerException

B. StringIndexOutOfBoundsException

C. ArrayIndexOutOfBoundsException

D. IOException

35.

It comprises of data flowing into a program

A. buffered reader

B. buffered writer

C. input stream

D. output stream

36. It refers to letting the method's caller catch the exception

A. passing on exceptions

B. catching exceptions

C. declaring exceptions

D. handling exceptions

37. A block of code when you have actions you must perform at the end of a try…catch blocks

A. finally block

B. try block

C. catch block

D. final block

38. The two modes of a file are readable and writable

True

False

39. Characters in Java are Unicode characters composed of two bits

True

False

40. It refers to declaration that you can handle exceptions of a particular class from a particular block of code.

A. passing on exceptions

B. catching exceptions

C. declaring exceptions

D. handling exceptions

41.

The File's length() method will return _________.

A. the file’s size

B. the file’s length

C. the file’s capacity

D. void

42. The try-catch block can be nested

True

False

43.

Which of the following statement is required for handling user input error?

A. UserInputException

B. StringInputException

C. IOException

C. ArithmeticException

44.

What type of exception will you use if you are trying to access a non-existing file?

A. DiskFullException

B. FileNotFoundException

C. FileNotExistException

D. OutOfMemoryException

45. The following are the different constructors that can be used to create File object except?

A. File(String directoryPath)

B. File(String directoryPath, String filename)

C. File(File dirPath, String filename)

D. File(File dirObj, String filename)

46.

The RandomAccessFile supports the concept of a _________ that is used to indicate the current location of the file.

A. file cursor

B. file pointer

C. file manager

D. file location

47. FileNotFoundException is caused by general I/O failures, such as inability to read from a file

True

False

48.

What type of exception will you use if you cannot read data from existing file?

A. ReaderException

B. FileNotFoundException

C. AccessException

D. IOException

49. What type of exception will you use if the user tries to enter a number instead of a character?

A. NullPointerExcption

B. ArithmeticException

C. ArrayIndexOutOfBounds

D. IOException

50. The method _________ is used for moving the file pointer to specific positions

A. getFilePonter()

B. seek()

C. skipBytes()

D. search()

Copro2 Midterm Exam

1. The exception must be of the Throwable class or one of its subclasses

2.

What first name or nickname would you like us to use?

2. For each try block, there can be one or more catch blocks, but at most only one finally block

3. The File's lastModified() method will return _________.

4. The File's canRead() method will return true if the file is __________.

5. The File's getName() method will return _________.

6. What type of exception will you use if you are trying to access an object which is null?

7. Each catch block defines an exception handle

8. The File's exists() method will return true if the file is __________.

9. A throws clause lists the types of exceptions that a method might throw

10. This encompasses all exceptions which can ordinarily happen at runtime

11. What type of exception will you use if you are trying to access a secure web browser?

12. What type of exception will you use if your program attempt to divide a value to zero?

13. It is a sequence of data flowing from a source to a destination.

14. The java.io package contains a ___________ class that is used to read from and write data to anywhere in a file.

15. When you perform an input operation in a java program, you use a ___________.

16. You can use Byte Streams in reading and writing character data

17. The file method canWrite returns a _________value.

18. It takes a single argument which must be an object that is a subclass of Throwable.

19. Which of the following statements is true?

20. A segment of code that can handle an exception that might be thrown by the try block that precedes it.

21. The ______ package contains all the classes you use in file processing.

22. It is a storage place where data can be kept before it is needed by a program that reads or writes that data.

23. What type of exception will you use if the user tries to save a file in a disk which is full?

24. The File's getParent() method will return _________.

25. The File's canWrite() method will return true if the file is __________.

26. The method ___________ is used for obtaining the current location of the file pointer

27. These are normal errors that can occur during the execution of a program

28. A block of code you attempt to execute while acknowledging that an exception might occur

29. The character streams are used to transfer _______ of characters.

30. This is a technique to manage errors comprises the group of methods

31. The method __________ moves the file pointer in the forward direction by the number of bytes that are specified

32. These are serious errors in the Java runtime system

33. What type of exception will you use if you are trying to access a non-existing character?

34. What type of exception will you use if you are trying to access a non-existing index?

35. It comprises of data flowing into a program

36. It refers to letting the method's caller catch the exception

37. A block of code when you have actions you must perform at the end of a try…catch blocks

38. The two modes of a file are readable and writable

39. Characters in Java are Unicode characters composed of two bits

40. It refers to declaration that you can handle exceptions of a particular class from a particular block of code.

41. The File's length() method will return _________.

42. The try-catch block can be nested

43. Which of the following statement is required for handling user input error?

44. What type of exception will you use if you are trying to access a non-existing file?

45. The following are the different constructors that can be used to create File object except?

46. The RandomAccessFile supports the concept of a _________ that is used to indicate the current location of the file.

47. FileNotFoundException is caused by general I/O failures, such as inability to read from a file

48. What type of exception will you use if you cannot read data from existing file?

49. What type of exception will you use if the user tries to enter a number instead of a character?

50. The method _________ is used for moving the file pointer to specific positions

3.

The File's lastModified() method will return _________.

5.

The File's getName() method will return _________.

6.

What type of exception will you use if you are trying to access an object which is null?

11.

What type of exception will you use if you are trying to access a secure web browser?

24.

The File's getParent() method will return _________.

25.

The File's canWrite() method will return true if the file is __________.

35.

It comprises of data flowing into a program

41.

The File's length() method will return _________.

43.

Which of the following statement is required for handling user input error?

44.

What type of exception will you use if you are trying to access a non-existing file?

46.

The RandomAccessFile supports the concept of a _________ that is used to indicate the current location of the file.

48.

What type of exception will you use if you cannot read data from existing file?