serializable

I now understand that scala @serializable objects can be used the same as a Java Serializable object. In a Java Serializable object there are methods you can override to change how the object streams: writeObject(ObjectOutputStream) / readObject(ObjectOutputStream). Can you override or inject methods into a scala @serializable object allowing you to change how the object serializes? Yes, you can use the same methods in Scala as in Java: @throws(classOf[IOException]) private def writeObject(out: ObjectOutputStream): Unit = // ... @throws(classOf[IOException]) private def readObject(in:

I have noticed that some of my serialized objects stored in Redis have problems deserializing. This typically occurs when I make changes to the object class being stored in Redis. I want to understand the problem so that I can have a clear design for a solution. My question is, what causes deserialization problems? Would a removal of a public/private property cause a problem? Adding new properties, perhaps? Would a adding a new function to the class create problems? How about more constructors? In my serialized object, I have a property Map, what if I change (updated some properties, added

I've been learning how to use Serializable . I know if I create a class 'A' with different variables who implements Serializable and I add Serializable to my class, it's also Serializable . But, who is actually implementing those two methods to serialize? Does Object take care of everything or different classes overloads them when necessary? The serialization is actually implemented in java.io.ObjectOutputStream (and java.io.ObjectInputStream) and some of its helper classes. In many cases, this built-in support is sufficient, and the developer simply needs to implement the marker interface

Me and a group of friends are working on a project in Java, and we need some help regarding sending objects through sockets. So far, we have achieved to send simple objects (ints, strings and whatnot) through sockets, using ObjectOutputStream and ObjectInputStream . However, we ran into a huge problem today (huge for us, anyway ^^) We have a tree structure, that we need to send from one PC to another. The problem is that, within each node of that tree, we have a reference to a BufferedImage and it's not serializable. We have been researching a lot today, and we found out that we can use

I have a user defined class Message, whose object I would like to pass between the client and the server. The Message class is as follows: import java.io.Serializable; public class Message implements Serializable { String CorS; int data_id; int status_id; Integer value; boolean withdraw; public Message() { CorS = null; data_id = 0; status_id = 0; value = 0; withdraw = false; } public Message(String CorS, int data_id, int status_id, Integer value) { this.CorS = CorS; this.data_id = data_id; this.status_id = status_id; this.value = value; } public Message(boolean withdraw) { this.withdraw =

Hi i have problem with a class i want to pass in an intent by putting it into the putExtras() Its serializable and the code looks like this: public abstract class ObjectA extends ArrayList<ObjectA> implements java.io.Serializable{...} public class ObjectB extends ObjectA {...} ... Bundle extras = new Bundle(); extras.putSerializable("blabla", ObjectB); intent.putExtras(extras); ... Object y = getIntent().getExtras().get("blabla"); the problem is, that y now is an ArrayList and no longer an ObjectB so i cant cast it.. if i change the code to public class ObjectB implements java.io.Serializable