如何將對象寫入文件並讀回？

Question

我需要您的幫助，因為我想在文件中寫入對象並讀回。

我對這一行代碼有Vehicule result = (Vehicule) read.readObject (); ： Vehicule result = (Vehicule) read.readObject ();

try {
       List<Vehicule> voiture = new ArrayList<Vehicule>();

       //Write object to file 
       FileOutputStream fos = new FileOutputStream("Garage.ser");
       ObjectOutputStream ecriture = new ObjectOutputStream(fos);
       System.out.println("\nIci - Ecriture de mon fichier\n");
       ecriture.writeObject(voiture);
       ecriture.close();
       //read object from file
       FileInputStream fis = new FileInputStream("Garage.ser");
       ObjectInputStream lecture = new ObjectInputStream(fis);
        System.out.println("\nIci - Lecture du fichier\n");
        Vehicule result = (Vehicule) lecture.readObject();
        lecture.close();

   }catch (FileNotFoundException e){
       System.out.println("Aucune voitures sauvegardé !");
   }catch (IOException e) {
       e.printStackTrace();
   }catch (ClassNotFoundException e) {
       e.printStackTrace();
   }

謝謝您的幫助。

Answer 1

似乎您正在編寫List<Vehicule>但閱讀了Vehicule 。