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FAJLOVI/FOLDERI (PUTANJE (APSOLUTNA PUTANJA (Putanja do nekog file/foldera…

- - - - java.io
        
        KLASA
        
        FIle
        
        import java.io.File;
        
        izlistavanje root direktorijuma
        
        public static void Main (String[] args);{ File [] roots = File.listRoots(); for (int i = 0; i<roots.lenght; i++) {System.out.println(roots[i])}}
        
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        OSNOVNE METODE
        
        getAbsolutePath();
        
        prikazuje apsolutnu putanju do filea
        
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        getName();
        
        prikazuje ime filea
        
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        getParent();
        
        prikazuje naziv roditeljskog elementa u okviru file sistema
        
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        getPath();
        
        prikazuje relativnu putanju
        
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        isAbsolute();
        
        proverava da li je putanja apsolutna
        
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        DODATNE METODE
        
        isFile();
        
        utvrđuje da li određena putanja ukazuje na file
        
        isDirectory();
        
        utvrđuje da li putanja ukazuje na direktorijum
        
        exists();
        
        utvrđuje da li file ili folder postoje na sistemu
        
        lastModified();
        
        podatak kada je file/folder poslednji put izmenjen
        
        lenght();
        
        vraća dužinu fileu
        
        setReadOnly();
        
        dodeljuje svojstva ReadOnly određenom fileu/folderu
- - - - C:\JavaPractice\image.bmp
  - - - File fileRel=newFile("image.bmp")
- - - - File path= new File ("C:\JavaPractice\MyJavaProgram"); if(path.exists()&&path.isDirectory()){File[] files= path.listFiles(); for(int i=0; i<files.lenght; i++){System.out.println(files[i]);}}
- - - - public static void main (String[]args){File testDirectory = new File ("C:\test"); try { if(!testDirectory.exists())}testDirectory.mkdir(); else System.out.println("Test directory already exists.")}catch(Exceptoon e)
- - - - public static void main (String [] args) { File afile = newFile(C:\JavaPractice\text.txt"); File bfile= newFile ("C\JavaPractice\test\text.txt"); try(FileInputStream inStream= new FileInputStream(afile); FileOutputStream outStream= new FileOutputStream(bfile)){byte [] buffer= new byte[1024]; int lenght; while ((lenght = inStream.read(buffer))>0) outStream.writte(buffer, 0, lenght); } System.out.println("File is copied successfuly!");} catch (IOException exc) {System.out.println(exc);}
    - - java.nio.
        
        KLASA
        
        Files
        
        public static void main(String [] args){ Path source = Paths.get("C:\test\text.txt"); Path destination = Path.get("D:\text.txt); try { if(!Files.exists(source) Szstem.out.println("File doesn't exist."); return; if(!Files.exists(destination.getParent() System.out.println()) System.out.println("Location doesn't exist."); return; if(Files.exists(destination)) System.out.println("File already exist on the location"); Files.copy(source, destination); System.out.println("File"+source.getFileName()+"is copied"); catch (IOException ex) System.out.println(ex);)))}}
      - od Java7 verzije
- - - - rename to
        
        public static void main(String [] args){ File oldfile = new File("C:\JavaPractice\oldname.txt"); File newfile = new File("C:\JavaPractice\newname.txt"); if (!oldfile.exists()){System.out.println("File doesn't exist."); return;} if (newfile.exists()) {System.out.println("File with desired name already exists."); return; }if (oldfile.renameTo(newfile)){System.out.println("Rename successful")} else {System.out.println("Rename failed.")}