Android How to Program, 3/e

J.12 Introduction to Object Serialization

Java provides object serialization for writing entire objects to a stream and reading entire objects from a stream. A so-called serialized object is an object represented as a sequence of bytes that includes the object’s data as well as information about the object’s type and the types of data stored in the object. After a serialized object has been written into a file, it can be read from the file and deserialized—that is, the type information and bytes that represent the object and its data can be used to recreate the object in memory.

Classes ObjectInputStream and ObjectOutputStream

Classes ObjectInputStream and ObjectOutputStream, which respectively implement the ObjectInput and ObjectOutput interfaces, ...