Object Oriented Programming - I (3140705) MCQs

MCQs of Binary I/O ,Recursion and Generics

Showing 31 to 34 out of 34 Questions
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31.
To achieve performance, the DataInputStream class comes with some special methods like?
(a) WriteDouble()
(b) WriteInt()
(c) WriteBytes()
(d) None of the above
Answer:

Option (d)

32.
Which method of DataInputStream class reads a line from the file and returns it as a string ?
(a) WriteInt()
(b) readLine()
(c) readInt()
(d) writeDouble()
Answer:

Option (b)

33.
Java application uses an output stream to read data from a source, it may be a file, an array, peripheral device or socket?
(a) TRUE
(b) FALSE
Answer:

Option (b)

34.
Both InputStream and OutputStream class is an abstract class. It is the superclass of all classes representing an output stream of bytes.
(a) TRUE
(b) FALSE
Answer:

Option (a)

Showing 31 to 34 out of 34 Questions
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