Java copies files or entire folders from one directory to another

* * Copy a single file * @param oldpath string original file path such as: C:/fqf.txt * @param newpath string after copy path such as: F:/fqf.txt * @return Boolean */Pub LIC void CopyFile (String oldpath, String NewPath) {try {int bytesum = 0; int byteread = 0; File Oldfile = new file (OldPath); if (oldfile.exists ()) {//file exists InputStream instream = new FileInputStream (oldpath);//Read in original file FileOutputStream fs = new Fil Eoutputstream (NewPath); byte[] buffer = new byte[1444]; int length; while ((Byteread = instream.read (buffer))! =-1) {bytesum + = byteread;//bytes File size System.out.println (bytesum); Fs.write ( Buffer, 0, byteread); } instream.close (); }} catch (Exception e) {System.out.println ("error copying Single file operation"); E.printstacktrace ();}} /** * Copy entire folder Contents * @param oldpath String original file path such as: C:/FQF * @param newpath string after copy path such as: F:/FQF/FF * @return Boolean */Publ IC void CopyFolder (String oldpath, String NewPath) {try {(new File (NewPath)).//If the folder does not exist, create a new folder file Mkdirs a=new E (OldPath); String[] File=a.list (); File Temp=null; for (int i = 0;i < file.length; i++) {if (Oldpath.endswith (File.separator)) {temp=new file (Oldpath+file[i]);} else{temp=new file (oldpath+ File.separator+file[i]); } if (Temp.isfile ()) {FileInputStream input = new FileInputStream (temp); FileOutputStream output = new FileOutputStream (NewPath + "/" + (Temp.getname ()). ToString ()); Byte[] B = New byte[1024 * 5]; int Len; while (len = Input.read (b))! =-1) {output.write (b, 0, Len);} output.flush (); Output.close (); Input.close (); } if (Temp.isdirectory ()) {//If it is a subfolder copyfolder (oldpath+ "/" +file[i],newpath+ "/" +file[i]);}} } catch (Exception e) {System.out.println ("error copying entire folder contents operation"); E.printstacktrace ();}}

Java copies files or entire folders from one directory to another directory