Create New Folder In JAVA and All Method of File in JAVA

CODING:

import java.io.*;
public class file3 {
public static void main(String[] args)throws IOException  {
    File f=new File("New Folder");
    if(f.exists())
    {
    System.out.println("File already exists");
    }
    else{
    f.mkdir();
    System.out.println("New Folder Created");
    }
    System.out.println("Lenght "+f.length());
    System.out.println("Last Modify Time "+f.lastModified());
    System.out.println("Can Read "+f.canRead());
    System.out.println("Can Write "+f.canRead());
    System.out.println("Can Excute "+f.canExecute());
    System.out.println("Is Hidden "+f.isHidden());
    System.out.println("Is File "+f.isFile());
    System.out.println("Is Directory "+f.isDirectory());
    String name[]=f.list();
    System.out.println("Folder Contant ARE ");
    for(String temp : name){
    System.out.println(temp);
    }
    System.out.println("List Files ");
    File f1[]=f.listFiles();
    for(File temp : f1){
    System.out.println(temp);
    }
    System.out.println("Name "+f.getName());
    System.out.println("Path "+f.getPath());
    System.out.println("Absoulate Path "+ f.getAbsolutePath());
 }
}