22.24

java.io.File

THE PACKAGE JAVA.IO

The file system actually contains a file specified by the path of the

File

object.

The file so specified can be read.

22.24.18

public boolean canWrite() throws SecurityException

First, if there is a security manager, its

checkWrite

 method ( 20.17.21) is called

with the path represented by this

File

 object as its argument.

The result is

true

 if and only if both of the following are true:

The file system actually contains a file specified by the path of the

File

object.

The file so specified can be written.

22.24.19

public boolean isFile() throws SecurityException

First, if there is a security manager, its

checkRead

 method ( 20.17.19) is called

with the path represented by this

File

 object as its argument.

The result is

true

 if and only if both of the following are true:

The file system actually contains a file specified by the path of the

File

object.

The file so specified is a data file rather than a directory.

22.24.20

public boolean isDirectory() throws SecurityException

First, if there is a security manager, its

checkRead

 method ( 20.17.19) is called

with the path represented by this

File

 object as its argument.

The result is

true

 if and only if both of the following are true:

The file system actually contains a file specified by the path of the

File

object.

The file so specified is a directory rather than a data file.

756