Snippets tagged “serialization”
6 snippets use this tag.
- How do I copy an object in Java?Java
There are several ways to copy an object in Java. Here are a few options:
- Only using @JsonIgnore during serialization, but not deserializationJava
If you want to use the @JsonIgnore annotation to ignore a field during serialization but not during deserialization, you can use the @JsonIgnoreProperties annotation and set its writeOnly property to true.
- Serializing with Jackson (JSON) - getting "No serializer found"?Java
If you are getting the error "No serializer found" when trying to serialize an object to JSON using Jackson, it usually means that Jackson does not know how to serialize one or more fields in the object.
- What is a serialVersionUID and why should I use it?Java
A serialVersionUID is a unique identifier for a serializable class. It is used to verify that the sender and receiver of a serialized object have loaded classes for that object that are compatible with respect to serialization.
- When is the @JsonProperty property used and what is it used for?Java
The @JsonProperty annotation is used to specify the property name in a JSON object when serializing or deserializing a Java object using the Jackson library.
- Why does Java have transient fields?Java
In Java, the transient keyword is used to indicate that a field should not be serialized when an object is persisted to storage or when an object is transferred over a network.