All Questions
12
questions
0
votes
0
answers
25
views
Serialization and deserialization a list
I'm trying to write ArrayList to a file, and then read a random string from the ArrayList.
In the code, I'm trying to output at least the entire ArrayList from the file (in order to select a random ...
0
votes
1
answer
79
views
De-serializing a graph generates an exception in Java
I created a graph consisting of nodes and edges as seen here:
public class Edge implements Serializable {
private final Node neighbor;
private final double weight;
public Edge(Node ...
user15757596
1
vote
1
answer
106
views
How to use encryption in Java? [closed]
Does anyone know how I can include encryption and decryption in my code? I am using FileInput and FileOutput Stream for serialized files. I have an arraylist of students, and I have an arraylist of ...
- 19
0
votes
0
answers
232
views
How to add different subclass object types from text file to an array list of type parent class?
I was given an assignment to create a Employee parent class with several extended classes (manager, salaried employee etc.) I have completed the assignment but, I wanted to see if I could go a step ...
- 1
-1
votes
1
answer
178
views
Unable to deserialize a Object ArrayList
I have an ArrayList of Objects (UploadedItem) called UploadList which I am able serialize automatically after every update. I am unable however to deserialize on startup. Here is the classes which are ...
- 155
0
votes
6
answers
4k
views
Deserialize Arraylist of objects
I am dealing with a utterly painful puzzle I cannot solve... While I have been able to serialize/deserialize single objects I find myself stuck at the moment. The reason is that I am working with an ...
- 333
3
votes
2
answers
3k
views
Serializing object that contains ArrayList of objects
public class User implements Serializable{
public String name;
public String surname;
public List<Picked> pickedBooks = new ArrayList<>();
// Code omitted.
}
Then goes ...
- 528
0
votes
1
answer
635
views
How do I implement backup and restore using serialisation with multiple classes?
Im trying to serialise objects(Names and notes) which I store in my JTable. I want to be able to save this information to a file and when I load the program, the information should load into the ...
- 3
0
votes
1
answer
1k
views
Serialized Object being overwritten, not added to
I'm trying to store user account information into a separate text file, which I have accomplished after many attempts...
However each time I create a new user it overwrites the last one put into the ...
- 1,389
0
votes
2
answers
19k
views
Serialize ArrayList of Objects
I have an ArrayList which stores a custom object. I want to serialize that ArrayList to a string so I can save it inside the Application settings.
This question looks to resolve it, but is in java. ...
- 2,494
0
votes
3
answers
1k
views
Trouble Serializing/Deserializing an array list from a text document Java
I need help with reading an array list from a Serialized text file, I do not believe I am having a problem with it however I cannot see if it is actually storing all of the information because I cant ...
user972450
0
votes
1
answer
84
views
Using SubSonic, how to add a field to a pre-defined class?
I've got a SubSonic DAL - works great.
Two classes: TblReceipt and TblReceiptLineItems.
I can create a parallel class of TblReceipt, but seems like a waste, so here's what I need to do:
Have a ...
- 12.9k