Java Utililty Methods Delete File or Directory

List of utility methods to do Delete File or Directory

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Description

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

Method

voiddeleteFileOrDirectoryRecursive(String dir)
Recurse through children deleting all as we go 
File theDir = new File(dir);
if (theDir != null) {
    deleteFileOrDirectoryRecursive(theDir);
booleandeleteFileOrDirOnExit(File filehandle)
Delete file or folder recursively on exit of the program 
if (filehandle.isDirectory()) {
    String[] children = filehandle.list();
    for (int i = 0; i < children.length; i++) {
        boolean success = deleteFileOrDir(new File(filehandle, children[i]));
        if (!success) {
            return false;
filehandle.deleteOnExit();
return true;
voiddeleteFileOrFolder(File fileOrFolder)
Delete the file or folder given in fileOrFolder. 
File[] files = fileOrFolder.listFiles();
if (files != null) {
    int idx = files.length;
    while (--idx >= 0)
        deleteFileOrFolder(files[idx]);
fileOrFolder.delete();