Chapter 13

the newOutputStream( ) method

-is defined in the Files class -creates a file if it does not already exist -opens a file for writing

which of the following creates a Path named p to a FileStream named f Path p = new Path("C:\\Java\\MyFile.txt"); Path p = f("C:\\Java\\MyFile.txt"); Path p = f.getPath("C:\\Java\\MyFile.txt"); Path p = getPath(new f("C:\\Java\\MyFile.txt"));

Path p = f.getPath("C:\\Java\\MyFile.txt");

Java's print( ) and println( ) methods are defined in the _______ class

PrintStream

which of the following does the same thing as the BufferedWriter class newLine( ) method System.getProperty("line.separator") Path.getProperty("line.separator") System.out.println( ) System.out.print("\n")

System.getProperty("line.separator")

a path that needs no additional information to locate a file

absolute path

InputStream is:

an abstract class

the data hierarchy occurs in the following order from the smallest to largest piece of data

character, field, record, file

a collection of data stored on a nonvolatile device in a computer system

file

which of the following statements always returns the same value as Files.exists(file) file.checkAccess( ) file.checkAccess(EXISTS) file.checkAccess(READ,WRITE) file.checkAccess(file.exists( ))

file.checkAccess( )

buffer

holds bytes that are scheduled for input or output

you cannot delete a Path:

if it represents a directory that is not empty

a complete list of the disk drive plus the hierarchy of directories in which a file resides is its

path

which of the following systems is most likely to use batch processing an airline reservation system payroll point-of-sale credit checking an e-mail application

payroll

real-time applications use ________

random access files

a file channel is

seekable

when records are accessed one after the other in the order in which they were stored, the file is being used as a _______ access file

sequential

which of the following is true of streams streams are channels through which bytes flow streams always flow in two directions only one stream can be open in a program at a time

streams are channels through which bytes flow

the Path class getFileName( ) method returns

the last item in a Path's list of name elements

which of the following statements is true volatile storage lasts only a few seconds volatile storage is lost when a computer loses power computer disks are volatile storage devices

volatile storage is lost when a computer loses power

if you fail to close an input file:

you might lose access to the written data