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WHAT IS MARKER INTERFACE,AND NO METHODS IS NOT THERE ON THAT
INTERFACE THEN WHY WE USED IN JAVA?

Answers were Sorted based on User's Feedback



WHAT IS MARKER INTERFACE,AND NO METHODS IS NOT THERE ON THAT INTERFACE THEN WHY WE USED IN JAVA?..

Answer / ravi

Interfaces without any methos or constants are known as
Marker interface.They are used only to mark or tag a
class.it indicates that class supports that functionality.

Is This Answer Correct ?    7 Yes 0 No

WHAT IS MARKER INTERFACE,AND NO METHODS IS NOT THERE ON THAT INTERFACE THEN WHY WE USED IN JAVA?..

Answer / rameshreddy

it is in depth concept. The compiler developer internally
developed like that, Through that markinterface only(tag
interface) ,compiler identifies its internal functinality

Is This Answer Correct ?    1 Yes 2 No

WHAT IS MARKER INTERFACE,AND NO METHODS IS NOT THERE ON THAT INTERFACE THEN WHY WE USED IN JAVA?..

Answer / olok

compiler treat this type of interface differently.
eg coloneable,serializable

Is This Answer Correct ?    1 Yes 3 No

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