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how a marker interface gets its functionality and when we
implements a marker interface how it got invoked
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Answer Posted / somasundar m
Marker interface are a design pattern which is used to mark
the classes for doing some specific actions. Marker
interface are just to mark the classes. For example
Serializable is a marker interface. So jvm looks for the
classes which are marked as serializable to serialize the
objects. It tells the compiler that the marked items
should be treated differently. Since it is a older design
pattern. Now a days Annotations has been introduced, so we
can replace the usage of marker interface with annotations.
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