Java Utililty Methods Delete Folder

boolean deleteFolder(@Nonnull File file)
delete Folder

if (file.exists()) {
 boolean result = true;
 if (file.isDirectory()) {
 File[] contents = file.listFiles();
 if (contents != null) {
 for (File f : contents) {
 result = result && deleteFolder(f);
 return result && file.delete();
return false;

void deleteFolder(File dir, boolean deleteFolderItself)
Deletes given folder with all of its content

File[] files = dir.listFiles();
for (int i = 0; i < files.length; i++) {
 File f = files[i];
 if (f.isDirectory()) {
 deleteFolder(f, true);
 } else if (f.isFile()) {
 if (!f.delete()) {
 System.err.println("Cannot delete file " + f.getAbsolutePath());
...

void deleteFolder(File file)
delete Folder

if (!file.isDirectory() || (file.isDirectory() && file.list().length == 0)) {
 file.delete();
} else {
 File[] listFiles = file.listFiles();
 for (File childFile : listFiles) {
 deleteFolder(childFile);
 file.delete();
...

boolean deleteFolder(File file)
delete Folder

File[] flist = null;
if (file == null) {
 return false;
if (file.isFile()) {
 return file.delete();
if (!file.isDirectory()) {
...

boolean deleteFolder(File file)
Used to delete a folder.

if (file.exists()) {
 boolean ret = true;
 if (file.isDirectory()) {
 for (File f : file.listFiles()) {
 ret = ret && deleteFolder(f);
 return ret && file.delete();
...

void deleteFolder(File file, boolean deleteParent)
delete Folder

File[] list = file.listFiles();
if (list == null || list.length < 1) {
 if (deleteParent)
 file.delete();
 return;
for (File ele : list) {
 if (ele.isDirectory())
...

void deleteFolder(File file, boolean withCurrentFolder)
Delete the sub folders, if true, will delete current folder also.

if (file.exists() && file.isDirectory()) {
 File files[] = file.listFiles();
 for (File file2 : files) {
 deleteFile(file2, true);
 if (withCurrentFolder) {
 file.delete();

boolean deleteFolder(File folder)
Deletes the folder and all of its contents

if (!folder.exists())
 return false;
if (!folder.isDirectory())
 return false;
if (!cleanFolder(folder))
 return false;
return folder.delete();

void deleteFolder(File folder)
This method deletes a folder including all subfolders and files.

if (folder.exists()) {
 for (File child : folder.listFiles()) {
 if (child.isDirectory()) {
 deleteFolder(child);
 } else {
 if (!child.delete()) {
 throw new IOException("Deletion of file: " + child.getAbsolutePath() + " failed.");
 if (!folder.delete()) {
 throw new IOException("Deletion of folder: " + folder.getAbsolutePath() + " failed.");

boolean deleteFolder(File folder)
delete Folder

return deleteFolderContents(folder) && folder.delete();