```
public class FileUtil
extends Object
```
Class for utility methods for finding files and information about them.

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static void`	`copyDir(File src, File dest, String excludes)`	Copies a whole directory recursively.
`static void`	`copyFile(File src, File dest)`	Copies a single file.
`static File`	`createTmpDir(boolean scheduleDeleteOnVmExit)`
`static void`	`deleteRecursive(File dir)`	Recursively delete a directory and all its descendants.
`static String[]`	`getClassFileNames(File dir)`	This method returns the fully qualified names of class files below the given directory.

public static final FileFilter DIRECTORY_FILTER

public static final FileFilter JAR_FILE_FILTER

getClassFileNames
```
public static String[] getClassFileNames(File dir)
```
This method returns the fully qualified names of class files below the given directory.

deleteRecursive
```
public static void deleteRecursive(File dir)
```
Recursively delete a directory and all its descendants.

public static void copyFile(File src,
                            File dest)

Copies a single file.

public static void copyDir(File src,
                           File dest,
                           String excludes)

Copies a whole directory recursively.

public static File createTmpDir(boolean scheduleDeleteOnVmExit)
                         throws IOException

Modifier and Type	Field	Description
`static FileFilter`	`DIRECTORY_FILTER`
`static FileFilter`	`JAR_FILE_FILTER`

Class FileUtil