How does marker interface provides functionality to the
implemented class ?
or How dose maker interface gets the functionalities as
serialization or cloning.
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Answer Posted / somasundar m
Marker interface is a an interface which doesnot have any
variables and methods. Since it is following the design
pattern called Marker Design Pattern its is called as
Marker interface. This marker interface just tells the
compiler that all the marked classes with certain interface
names should be treated differently. It is used just to
mark the selected classes to do a certain functionality.
Example Serializable, Clonnable, etc. Here Serializable is
a marker interface just compiler to indentify which are the
classes should be marked for serialization. Now it can be
replace with annotations.
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