in this some corrections u to do i purposefully kept, one for ex interface 'int' not allowed why it is the reserved word in java primitive data type, my student asked i wrote this on a rough paper
best example for the interface is OS you can explain your own how it is, we can implement poly morphism by using interfaces.
all the variables defined in the interface by default will become public, final i.e constants , these are used by implementing class
all the methods defined in the interface will become public, abstract methods
interface implementer class not implements all the methods of the interface it will become an ABSTRACT class. because still in the class also something is not known(abstract).see the below line
abstract class Ramu implements MyInterface
{
//at least one non implemented method it should be from the interface or in this class also
}
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