Try to recover a serialized file without the class of object that's stored in that file : ObjectOutputStream « File « Java Tutorial

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Java Tutorial » File » ObjectOutputStream 
11. 23. 6. Try to recover a serialized file without the class of object that's stored in that file
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import java.io.Serializable;

public class MainClass {
  public static void main(String[] argsthrows Exception {
    ObjectOutput out = new ObjectOutputStream(new FileOutputStream("X.file"));
    MyClass zorcon = new MyClass();
    out.writeObject(zorcon);
    
    ObjectInputStream in = new ObjectInputStream(new FileInputStream(new File("X.file")));
      Object mystery = in.readObject();
      System.out.println(mystery.getClass());
    
  }
}

// A serializable class.
class MyClass implements Serializable {
}
11. 23. ObjectOutputStream
11. 23. 1. Create ObjectOutputStream out of FileOutputStream
11. 23. 2. Writing objects to file with ObjectOutputStream
11. 23. 3. Serializing an Object (JButton)
11. 23. 4. Reading Basic Data From an Object Stream
11. 23. 5. Create a serialized output file.
11. 23. 6. Try to recover a serialized file without the class of object that's stored in that file
11. 23. 7. Object IO
11. 23. 8. illustrates serialization and deserialization
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