Java Utililty Methods File Delete

try {
    if (file.isDirectory()) {
        for (File subFile : file.listFiles()) {
            delete(subFile);
    if (file.exists())
        file.delete();
...

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

if (file.isFile()) {
    file.delete();
} else if (file.isDirectory()) {
    File[] contained = file.listFiles();
    for (int f = 0; f < contained.length; f++) {
        delete(contained[f]);
    file.delete();
...

if (file != null) {
    if (!file.delete()) {
        throw new IOException("Failed to delete file");

Recursively deletes given file or folder.

if (file.isDirectory()) {
    final File[] children = file.listFiles();
    if (children != null) {
        for (File member : children) {
            delete(member);
file.delete();

if (file.isDirectory()) {
    String[] files = file.list();
    if (files.length == 0)
        file.delete();
    else {
        for (String temp : files)
            delete(new File(file, temp));
        if (file.list().length == 0)
...

if (file.isDirectory()) {
    File[] files = file.listFiles();
    if (files != null) {
        for (File each : files) {
            delete(each);
for (int i = 0; i < 10; i++) {
    if (file.delete() || !file.exists())
        return;
    try {
        Thread.sleep(10);
    } catch (InterruptedException ignore) {
if (file.exists())
    throw new IOException("Cannot delete file " + file);

if (file.exists() && file.isDirectory()) {
    for (File child : listFiles(file)) {
        delete(child);
if (file.exists() && !file.delete()) {
    throw new IOException("Could not delete " + file);

if (file != null) {
    if (file.isDirectory()) {
        deleteFiles(file);
    file.delete();

if (file == null) {
    return false;
try {
    return file.delete();
} catch (Exception e) {
    e.printStackTrace();
    return false;
...