public final class FileUtils
extends java.lang.Object
| Constructor and Description |
|---|
FileUtils() |
| Modifier and Type | Method and Description |
|---|---|
static java.lang.String |
getExtension(java.lang.String filename)
Extract the file extension from the specified filename.
|
public static final java.lang.String getExtension(java.lang.String filename)
filename - filename to get the extension ofnull
if the filename doesn't have any extension, or is not a file