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Sorry!For this module there is no Sample Code.
Sorry!For this module there is no Assignments.
Question No: 1 of 11
A stream is a sequence of data.In Java a stream is composed of? 
Options:
  1. Bytes
  2. Bits
  3. Both A & B
  4. None of the above
View Answer/Explanation:
a
Explanation:

Question No: 2 of 11
Which is used for writing data to a file in file handling? 
Options:
  1. FileInputStream
  2. FileOutputStream
  3. Both A & B
  4. None of the above
View Answer/Explanation:
b
Explanation:

Question No: 3 of 11
Which of the following are true? 
Options:
  1. The InputStream and OutputStream classes are byte-oriented.
  2. The ObjectInputStream and ObjectOutputStream do not support serialized object input and output.
  3. The Reader and Writer classes are character-oriented.
  4. The Reader and Writer classes are the preferred solution to serialized object output.
View Answer/Explanation:
a c
Explanation:

Question No: 4 of 11
Which of the following are true about I/O filters? 
Options:
  1. Filters are supported on input, but not on output.
  2. Filters are supported by the InputStream/OutputStream class hierarchy
  3. Reader/Writer class hierarchy.
  4. Filters read from one stream and write to another.
View Answer/Explanation:
c d
Explanation:

Question No: 5 of 11
Which are the ways to read data from the keyboard? 
Options:
  1. InputStreamReader
  2. Scanner
  3. DataInputStream
  4. All Mentioned above
View Answer/Explanation:
d
Explanation:

Question No: 6 of 11
It is possible to use the File class to list the contents of the current working

directory. 
Options:
  1. True
  2. False
View Answer/Explanation:
a
Explanation:

Question No: 7 of 11
Which class automatically flushes the data so there is no need to call flush() method.

Moreover, its methods don't throw IOException? 
Options:
  1. Console class
  2. Scanner Class
  3. FileInputStream class
  4. PrintStream class
View Answer/Explanation:
d
Explanation:

Question No: 8 of 11
Which of the following statements are true? 
Options:
  1. UTF characters are all 8-bits.
  2. UTF characters are all 16-bits.
  3. UTF characters are all 24-bits.
  4. Unicode characters are all 16-bits.
View Answer/Explanation:
d
Explanation:

Question No: 9 of 11
Which of the following can you perform using the File class? 
Options:
  1. Change the current directory
  2. Return the name of the parent directory
  3. Delete a file
  4. Find if a file contains text or binary information
View Answer/Explanation:
b c
Explanation:

Question No: 10 of 11
What is Serialization and deserialization? 
Options:
  1. Serialization is the process of writing the state of an object to a byte stream.
  2. It is the process of restoring these objects.
  3. combination of 'a' and 'b'
  4. None of the above.
View Answer/Explanation:
a
Explanation:

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