Iterator in the HashMap is fail-safe means what?
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Answer Posted / parthasarathi
can you please tell me about the use of marker interface?
Ans: Marker or taged interfaces having no methods.example
Cloneable,Serializable etc.Actually this interfaces give
some infermation about a object.that means internally it
check the object wheather it belongs to that interface or
not,using instanceOf() methd.
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