java-i/o stream-vlits

Which of these is a type of stream in Java?

• Integer stream

• Short stream

• Byte stream

• Long stream

Which of these classes are used by Byte streams for input and output operation?

• InputStream

• InputOutputStream

• Reader

• All of the mentioned

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

• InputStream

• Writer

• ReadStream

• InputOutputStream

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

Which of these class is used to create an object whose character sequence is mutable?

• String()

• StringBuffer()

• Both of the mentioned

• None of the mentioned

Which of the following statement is correct?

• reverse() method reverses all characters.

• reverseall() method reverses all characters.

• replace() method replaces first occurrence of a character in invoking string with another character.

• replace() method replaces last occurrence of a character in invoking string with another character.

Which of the following method(s) not included in InputStream class.

• available( )

• reset( )

• flush( )

• close( )

Which of the following methods not included in OutputStream class.

• write( )

• skip( )

• close( )

• flush( )