extends interface

[chaitanyakumar]

Is it popssible to extends interface?

[Paul Anilprem]

Of course! Interfaces can extend interfaces.
Eg.
interface I1{}
interface I2{ }
interface I3 extends I1, I2{ }
interface I3 implements I1, I2{ } //this is wrong. Interfaces CANNOT implement anything.

HTH,
Paul.

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[Amit Goel]

classes cannot extend interfaces buit interfaces can extend interfaces but classes have to implement interfaces as they have to provide a body to methods of interface.
and interface cannot implement interface as they cannot provide a body to a method