Java Utililty Methods Delete File

List of utility methods to do Delete File

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Description

The list of methods to do Delete File are organized into topic(s).

Method

voiddeleteFile(File file)
delete File 
if (!file.exists())
    throw new FileNotFoundException(file.getAbsolutePath());
if (!file.delete()) {
    throw new IOException("Delete operation failed when deleting: " + file);
voiddeleteFile(File file)
Delete the a file or a directory. 
if (file.isDirectory()) {
    emptyDirectory(file);
file.delete();
voiddeleteFile(File file)
delete File 
if (file != null) {
    for (File childFile : file.listFiles()) {
        if (childFile.isDirectory()) {
            deleteFile(childFile);
        } else {
            if (!childFile.delete()) {
                throw new IOException();
    if (!file.delete()) {
        throw new IOException();
intdeleteFile(File file)
delete File 
if (file == null) {
    return -1;
if (file.exists()) {
    if (file.isFile()) {
        if (file.delete()) {
            return 0;
    if (file.isDirectory()) {
        File[] subFiles = file.listFiles();
        if (subFiles != null) {
            for (File subFile : subFiles) {
                deleteFile(subFile);
        if (file.delete()) {
            return 0;
    return -1;
} else {
    return -1;
voiddeleteFile(File file)
delete File 
if (file == null || !file.exists()) {
    return;
if (!file.delete()) {
    throw new IOException("Can't delete file : " + file.getPath());
booleandeleteFile(File file)
delete File 
if (file == null)
    return false;
return file.delete();
voiddeleteFile(File file)
delete File 
if (!file.delete() && file.exists()) {
    throw new IllegalStateException("Could not delete: " + file.getPath());
booleandeleteFile(File file)
Deletes the file provided. 
if (!file.exists())
    return false;
File[] files = file.listFiles();
if (files != null) {
    for (int i = 0; i < files.length; i++) {
        File childFile = files[i];
        if (childFile.equals(file))
            continue;
...
booleandeleteFile(File file)
Accommodate Windows bug: If the delete does not work, call System.gc(), wait a little and try again. 
if (file.isDirectory()) {
    throw new IOException("File " + file + " isn't a file.");
if (!file.delete()) {
    if (System.getProperty("os.name").equalsIgnoreCase("windows")) {
        file = file.getCanonicalFile();
        System.gc();
    try {
        Thread.sleep(10);
        return file.delete();
    } catch (InterruptedException ex) {
        return file.delete();
return true;
booleandeleteFile(File file)
delete File 
if (!file.exists()) {
    return true;
int count = 0;
boolean deleted;
do {
    deleted = file.delete();
    if (!deleted) {
...