Adv Java Quiz 1

What is a stream in Java?

• A sequence of elements that can be processed sequentially

• A type of data structure

• A collection of objects

• A type of exception

Which package provides the classes for handling streams in Java?

• java.util

• java.io

• java.net

• java.lang

What is the main purpose of byte streams in Java?

• To handle characters

• To handle primitive data types and files

• To handle text files only

• To handle large amounts of data in memory

Which class is used for reading bytes from a file?

• FileReader

• BufferedReader

• FileInputStream

• DataInputStream

Which class is used for writing bytes to a file?

• FileWriter

• BufferedWriter

• FileOutputStream

• DataOutputStream

How do you create a FileInputStream object to read from a file named "example.txt"?

• FileInputStream fis = new FileInputStream("example.txt");

• FileInputStream fis = new FileInputStream(new File("example.txt"));

• FileInputStream fis = new FileInputStream(new FileInputStream("example.txt"));

• d) Both a and b

Which method of FileInputStream reads the next byte of data?

• readByte()

• nextByte()

• read()

• getByte()

What does FileInputStream.close() do?

• Closes the input stream and releases any system resources associated with it

• Closes the file but keeps the input stream open

• Opens the file for writing

• Releases the system resources but keeps the file open

How do you create a FileOutputStream object to write to a file named "output.txt"?

• • FileOutputStream fos = new FileOutputStream("output.txt");

  
  

• FileOutputStream fos = new FileOutputStream(new File("output.txt"));

• FileOutputStream fos = new FileOutputStream(new FileOutputStream("output.txt"));

• Both a and b

Which method of FileOutputStream writes a byte to the file?

• writeByte()

• nextByte()

• write()

• putByte()