JAVA I/O

Which of these method of FileReader class is used to read characters from a file?

• read()
• scanf()
• get()
• getInteger()

Which of these packages contain classes and interfaces used for input & output operations of a program?

• java.util
• java.lang
• java.io
• all of the mentioned

Which of these class is not a member class of java.io package?

• String
• StringReader
• Writer
• File

Which of these class is not related to input and output stream in terms of functioning?

• File
• Write
• InputStream
• Reader

Which stream used to read data from a source, it may be a file, an array, peripheral device or socket?

• InputStream
• OutputStream
• Input/OutputStream
• None of the above

Which is used for writing data to a file in file handling?

• FileInputStream
• FileOutputStream
• Both A & B
• None of the above

public char[] readPassword() blongs to whcih class

• Scanner Class
• Console class
• InputStreamReader class
• DataInputStream

Which method is used to close the Stream?

• close();
• flush();
• null();
• final();

 Which exception is thrown by read() method?

• SystemInputException
• IOException
• SystemException
• InterruptedException

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

• PrintStream
• BUfferedOutputStream
• System.out
• System