Java Utililty Methods Directory Create

boolean mkdir(File d)
creates directory if it does not exist and returns true if exists now

d.mkdir();
return d.isDirectory();

void mkdir(File dir)
mkdir

if (dir.exists()) {
 if (!dir.isDirectory()) {
 dir.delete();
 dir.mkdir();
} else {
 mkdir(dir.getParentFile());
 dir.mkdir();
...

void mkdir(File dir)
Creates the given directory.

if (!dir.exists() || !dir.isDirectory()) {
 if (!dir.mkdir()) {
 throw new IOException("Failed to create directory " + dir);

void mkDir(File dir)
mk Dir

if (dir.isDirectory())
 return;
if (!dir.mkdir())
 throw new IOException("Failed to create directory \"" + dir.getAbsolutePath() + "\"");

void mkdir(File dir)
mkdir

if (dir.isFile()) {
 throw new Exception("Can't create directory, file exists " + dir);
if (!dir.exists() && !dir.mkdirs()) {
 throw new Exception("Failed creating directory " + dir);

void mkdir(File dir)
mkdir

if (dir.exists()) {
 if (!dir.isDirectory()) {
 throw new IllegalArgumentException("specified path is already exists,"
 + " and not a directory. path=[" + dir.getAbsolutePath() + "]");
} else if (!dir.mkdirs()) {
 throw new RuntimeException("failed to create directory. path=[" + dir + "]");

void mkdir(File dir)
CreatingUtils single folders.

if (dir.exists()) {
 if (dir.isDirectory() == false) {
 throw new IOException("Destination '" + "' is not a directory.");
 return;
if (dir.mkdir() == false) {
 throw new IOException("Unable to create directory '" + dir + "'.");
...

void mkdir(File dir)
Creates the given directory.

if (!dir.exists() || !dir.isDirectory()) {
 if (!dir.mkdir()) {
 throw new IOException("Failed to create directory " + dir);

void mkDir(File dir)
mk Dir

if (dir == null) {
 throw new RuntimeException("dir attribute is required");
if (dir.isFile()) {
 throw new RuntimeException("Unable to create directory as a file " + "already exists with that name: "
 + dir.getAbsolutePath());
if (!dir.exists()) {
...

void mkdir(File dir)
CreatingUtils single folders.

if (dir.exists()) {
 if (dir.isDirectory() == false) {
 throw new IOException("Destination '" + "' is not a directory.");
 return;
if (!dir.mkdir() && !dir.mkdirs()) {
 throw new IOException("Unable to create directory '" + dir + "'.");
...