jodd-core/src/main/java/jodd/io/FileUtil.java
public static File mkdirs(final File dirs) throws IOException {
		if (dirs.exists()) {
			checkIsDirectory(dirs);
			return dirs;
		}
		return checkCreateDirectory(dirs);
	}
public static File mkdirs(final File dirs) throws IOException {
		if (dirs.exists()) {
			checkIsDirectory(dirs);
			return dirs;
		}
		return checkCreateDirectory(dirs);
	}
public static File mkdirs ( final File dirs ) throws IOException { if ( dirs . exists ( ) ) { checkIsDirectory ( dirs ) ; return dirs ; } return checkCreateDirectory ( dirs ) ; }
Creates all directories at once.

@param dirs Directories to make.
@throws IOException if cannot create directory.
Creates all directories at once .