Creater.java

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
public class Creater
{
    public static void main(String ar[])
    {

    }
    public static void createFolder(String folderNamePath)
    {
        File file = new File(folderNamePath);
            file.mkdir();
    }
    public static void createBlankFile()
    {
           File f = new File("newfile.txt");
            if(f.exists())
            {
                System.out.println("File already exist..!!");
            }
            else
            {
               try
               {
                   f.createNewFile();
               }
               catch(IOException io)   { }
            }
    }
    public static void WriteFile(String fileName,String content) throws IOException
    {

        File f= new File(fileName);         //string -> BufferedWriter -> FileWriter -> File
        if(f.exists()) f.delete();
        FileWriter fw = new FileWriter(f,true);
        BufferedWriter bw = new BufferedWriter(fw);
        bw.write(content);      
        bw.close();
    }
    public static String ReadFile(String fileName) throws FileNotFoundException, IOException
    {
        FileInputStream fis=new FileInputStream(fileName);         //string -> BufferedReader -> InputStreamReader -> DataInputStream -> FileInputStream
        DataInputStream dis = new DataInputStream(fis);
        InputStreamReader isr = new InputStreamReader(dis);
        BufferedReader br = new BufferedReader(isr);
        String text,fulltext="";
        while((text=br.readLine())!=null)     fulltext=fulltext+ text+"\n";
        dis.close();
        return fulltext;
    }

    public static void deleteFile(String fileName)
    {
       File f = new File(fileName);
        f.delete();
    }

    public static void copyFile(String sourceFile,String newFile) throws FileNotFoundException, IOException
    {
        byte[] buf = new byte[1024];
        File f = new File(sourceFile);
        File f2 = new File(newFile);
        InputStream is = new FileInputStream(f);
        OutputStream os = new FileOutputStream(f2,true);
        int len;
        while((len=is.read(buf))>0)
        {
            os.write(buf,0,len);
        }
        is.close();
        os.close();
        System.out.print("Files Copies successfully");
    }
    public static void renameFile(String oldFileName,String newFileName)
    {
        File f = new File(oldFileName);
        File f2 = new File(newFileName);
        f.renameTo(f2);
    }
    public static String fileProperty(String fileName)
    {
        File f = new File("newfile.txt");
        String properties="";
        if(f.isFile()) properties+="It is a file..!!";
        else if(f.isDirectory()) properties+="it is a directory..!!";
        else if(f.isHidden())    properties+="it is a hidden file...!!";
        else if(f.canRead())     properties+="Read permission allowed";
        else if (f.canExecute()) properties+="Execute permission allowed";
        else if(f.canWrite())    properties+="Write Permission allowed";
        else if (f.exists())     properties+="Yes file exists";
        return properties;
    }
}