Serialize Object to String in Java
In Java, we can serialize an object to String in different ways such as converting to byte[] and thenBase64 encoded string, XML or JSON. Learn with examples.
Jackson – Custom Serializer and Deserializer
Learn to create custom Jackson serializers and deserializers, register using the SimpleModule as well as @JsonSerialize and @JsonDeserialize.
Jackson – Serialize and Deserialize Dates
By default, Jackson serializes the Dates in numeric format. Learn to customize the serialization and deserialization of date and time types in Java using Jackson.
Jackson – Custom Serialization and Deserialization of Booleans
Learn Jackson’s default serialization and deserialization of boolean values, and how to customize it to support other possible values.
Lombok Serialize and Deserialize @Builder Class
Learn to serialize and deserialize Lombok @Builder annotated class with Jackson library. For demo purpose, we are using Article class have few field members. We have created this class during the Lombok @Builder tutorial. 1. Serializing @Builder Class The serialization process is very simple and we do not do anything …
Python JSON to Custom Class: object_hook Deserialization
Convert JSON to custom Python objects with object_hook, nested data, a JSONDecoder subclass, object_pairs_hook for duplicate keys and input validation.
Gson – Custom Serialization and Deserialization
Learn to use custom serialization and deserialization using two interfaces Gson JsonSerializer and JsonDeserializer to convert between json and java object.
Gson – Serialize and Deserialize a Map
Learn to serialize HashMap using Google Gson library. Also, learn to deserialize JSON string to HashMap containing custom Objects using Gson such that field values are copied into appropriate generic types. These conversions can be used to create deep cloning of the HashMap. 1. Maven Include the latest version of …
JAXB Unmarshaller Example: Convert XML to Java Object
Convert XML to Java objects with the Jakarta XML Binding Unmarshaller. Read XML from a File, String, InputStream or URL. Use JAXBElement for classes without @XmlRootElement, validate against an XSD, map namespaces and move from javax to jakarta.
Eclipse MOXy: Unmarshal JSON to Java Object
This JAXB tutorial demonstrates using MOXy to convert JSON to Java Object. The JSON can be read from a File or a String as an input source.
Java Custom Serialization using readObject() and writeObject()
We may need custom serialization in java in many cases. For example, we have legacy java classes that we are not willing to modify for any reason. There can be some design constraints as well. Or even simply, the class is expected to be changed in future releases which could …
How does Deserialization happen in Java?
Deserialization in Java is the process by which the object previously serialized is reconstructed back into its original form i.e. object instance.
Jackson – Marshal and Unmarshal Java Maps
Learn to convert JSON to Map and convert a Map to JSON string using Jackson 2. Given example uses Jackson ObjectMapper for conversions.
Guide to Java SerialVersionUID
Java SerialVersionUID example. Learn to create generate serialVersionUID for classes to be serialized. Learn to change serialversionuid correctly.
JAXB: Marshal / Unmarshal a Map in Java
We know that JAXB(Java Architecture for XML Binding) allows Java developers to map Java classes to XML representations. JAXB provides two main features: the ability to marshal Java objects into XML and the inverse, i.e. to unmarshal XML back into Java objects. JAXB mostly is used while implementing webservices or …
JAXB Marshal List and Set to XML and Unmarshal Back
Learn to write a List or Set to XML with Jakarta XML Binding 4 and read it back. We put the list in a root class, see why a bare List fails, and cover Set order, a Map and empty or null lists.
Java Deep Copy using In-memory Serialization
We all know that the easiest way of deep cloning (with some performance overhead) or deep copy is serialization. Java serialization involves serializing the object into bytes and from bytes to the object again. We suggest using in-memory deep cloning whenever it is the only need and we don’t need …