Hi I could have tried it instead of asking on forum but due to some sw problem I could not do Can any one pls tell me whether it is legitimate or not? abstract class says it implemnets an interface but instaed of impleneting the methods it declares them as abstract Is it legal?
SCJP,SCWCD,SCBCD<br />If Opportunity doesn't knock then build the door
Yes. Any concrete subclass will have to implement the abstract methods, so they will be implemented by the time any JVM is asked to invoke the method. It's just a special case of implementing by forcing subclasses to implement for you.