The Serializable interface is a marker interface; it declares no methods at all. It tells the serialization mechanism that the class can be serialized.

Java serialization and version control for release compatibility Java’s Serializable interface provides an easy-to-use programming interface for converting between a runtime object and a byte ...

Listing 3. Major classes and interfaces used in the framework. public interface SecurityDescriptor extends java.io.Serializable { // The getPermission methods return a constants defined in the // ...