Java I/O Streams

Which of these is a type of stream in Java?

• Integer stream

• Short stream

• Byte stream

• Long stream

Which of these is used to read a string from the input stream?

• get()

• getLine()

• read()

• readLine()

Which of these class is used to read characters and strings in Java from console?

• BufferedReader

• StringReader

• BufferedStreamReader

• InputStreamReader

Which of these class contains the methods print() & println()?

• System

• System.out

• BufferedOutputStream

• PrintStream

……………………. class is used to increase the efficiency of input operations.

• DataInputStream

• FileInputStream

• BufferedInputStream

• PipeInputStream

A stream is a sequence of data.In Java a stream is composed of?

• Bytes

• Bits

• Both A & B

• None of the above

These commonly used methods of

1) public abstract int read()throws IOException

2) public int available()throws IOException

3) public void close()throws IOException

• OutputStream class

• InputStream class

• Input/OutputStream class

• None of the above

Which of the following is FALSE about Java Streams ?

• Java defines only two types of streams – Byte stream and character stream.

• Like in any other language, streams are used for input and output operations.

• Byte stream uses InputStream and OutputStream classes for input and output operation.

• Character stream uses InputStream and OutputStream classes for input and output operation.

Which of these classes are used by character streams for input and output operations?

• InputStream

• Writer

• Reader

• InputOutputStream

How to represent end of file in java?

• EOF

• -1

• null

• \0