Java Utililty Methods File Delete

void clearFile(File file)
clear File

file.delete();
file.createNewFile();

void clearFile(String directory)
clear File

try {
 FileWriter outFile = new FileWriter(directory);
 PrintWriter out = new PrintWriter(outFile);
 out.print("");
 out.close();
} catch (IOException e) {
 e.printStackTrace();

void clearFile(String pFileName)
clear File

try {
 new FileOutputStream(pFileName);
} catch (FileNotFoundException e) {
 e.printStackTrace();

void clearFileOrDir(File file)
Clear directory

if (!file.exists()) {
 return;
if (file.isFile()) {
 file.delete();
 return;
File[] children = file.listFiles();
...

boolean delete(File aFile)
deletes a file from the file system; for directories, recurse the subdirectories and delete them as well

if (aFile == null)
 return true;
if (aFile.isDirectory()) {
 File[] files = aFile.listFiles();
 if (files != null) {
 for (int i = 0; i < files.length; i++) {
 if (!delete(files[i]))
 return false;
...

void delete(File classDir)
delete

File[] files = classDir.listFiles();
if (files != null) {
 for (File f : files) {
 delete(f);
classDir.delete();

boolean delete(File current)
delete

boolean status = true;
if (current.isDirectory())
 for (File sub : current.listFiles())
 status &= delete(sub);
if (current.exists() && (!current.delete()))
 return false;
return status;

void delete(File dir)
delete

if (dir.exists() && dir.isDirectory()) {
 for (File file : dir.listFiles()) {
 if (file.isDirectory()) {
 delete(file);
 file.delete();

void delete(File dir)
delete

if (!dir.isDirectory()) {
 dir.delete();
 return;
String[] entries = dir.list();
for (String s : entries) {
 File currentFile = new File(dir.getPath(), s);
 if (currentFile.isDirectory()) {
...

boolean delete(File dir)
Delete file or directory.

return deleteContents(dir) && dir.delete();