why the bean always implements serilalizeable
public class StudentsBean implements java.io.Serializable
Do we need import statement also to get Serializable.
i have not understood what it mean by saving the object state at different instances to disk. what is disk what is state when we have to save its state.
is disc same as database.
what is persistence.
how persistence related to serialiazeable.
How beans help in component kind of programming.
How java beans are related or different from enterprise java beans.