Simple code for create Directory in java :
package com.developerpages.snippets.core;
import java.io.File;
public class CreateDirectory {
public static void main(String[] args) {
File dir = new File("c://mydir");
boolean directoryCreated = dir.mkdir();
if (directoryCreated) {
System.out.println("My Directory created");
} else {
System.out.println("My Directory not created");
}
}
}