//Sample09_01.java

import java.io.File;

class Sample09_01{
    public static void main(String[] args){
        File file = new File("parent/child01/child02");
        boolean success = file.mkdirs();
        if(success){
            System.out.println("success");
        }else{
            System.out.println("failure");
        }
    }
}