| Method |
Description |
Return Type |
| createNewFile() |
Creates a new, empty file if it does not already exist |
boolean |
| delete() |
Deletes the file or directory |
boolean |
| exists() |
Tests whether the file or directory exists |
boolean |
| canRead() |
Tests whether the application can read the file |
boolean |
| canWrite() |
Tests whether the application can write to the file |
boolean |
| isFile() |
Returns true if the path represents a file |
boolean |
| isDirectory() |
Returns true if the path represents a directory |
boolean |
| length() |
Returns the size of the file in bytes |
long |
| getName() |
Returns the name of the file or directory |
String |
| getAbsolutePath() |
Returns the absolute pathname string |
String |
| getPath() |
Returns the pathname string |
String |
| getParent() |
Returns the pathname string of the parent directory |
String |
| list() |
Returns an array of names of files and directories in a directory |
String[] |
| listFiles() |
Returns an array of File objects in a directory |
File[] |
| mkdir() |
Creates a directory |
boolean |
| mkdirs() |
Creates a directory and any missing parent directories |
boolean |
| renameTo() |
Renames the file or directory |
boolean |
| setReadOnly() |
Marks the file as read-only |
boolean |
| setWritable() |
Sets the writable permission |
boolean |
| setReadable() |
Sets the readable permission |
boolean |
| setExecutable() |
Sets the executable permission |
boolean |
| canExecute() |
Tests whether the application can execute the file |
boolean |