Quiz

To see whether you took a big enough byte from the tree of knowledge during this hour, answer the following questions about input and output streams in Java.

Questions

1:	Which of the following techniques can be used to convert an array of bytes into a string? Call the array's toString() method. Convert each byte to a character, and then assign each one to an element in a String array. Call the String() constructor method with the array as an argument.
2:	What kind of stream is used to read from a file in a Java program? An input stream An output stream Either
3:	What method of the File class can be used to determine the size of a file? getSize() read() length()

Answers

A1:	c. You can deal with each byte individually, as suggested in answer b., but you can easily create strings from other data types.
A2:	a. An input stream is created from a File object or by providing a filename to the input stream's constructor method.
A3:	c. This method returns a long representing the number of bytes in the stream.