hi thanks for reply i was busy so could not reply i did not get this point " so when you make claas1 implements an interface that is implemented in class2, you will have access threw class1 to class2 even without needing to see or know the interface methods implementations in class 2, right?? "
can you give me example of code On Wed, Sep 2, 2009 at 12:39 PM, Abbas Zaini <[email protected]>wrote: > i'll tell you , when you write an interface, you must write a class that > implements all the methods of the interface, right?? > now this class is going to have fields and methods that are not implemented > in other classes, right?? > so when you make claas1 implements an interface that is implemented in > class2, you will have access threw class1 to class2 even without needing to > see or know the interface methods implementations in class 2, right?? the > abstract class doesn't provide these features because you can't implement an > abstract class, the interface may join classes which lay in different > packages and don't share any of there info ( fields and methods) i think > that is also right, if you have any thing in addition to discuss about it > will be my pleasure to serve. > yours. > On Wed, Sep 2, 2009 at 8:55 AM, vinay basavanal <[email protected]>wrote: > >> i understand the concept of interface but my question is ,is it really >> necessary interface was introduced in order to avoid problems of multiple >> inheritance that is a single class inheriting from two classes but >> >> only reason why we go for inheritance is to get advantages of already >> implemented methods but with interface we don't get that advantages so why >> interface >> >> >> >> > > > -- > Abbas Zaini > --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/javaprogrammingwithpassion?hl=en -~----------~----~----~----~------~----~------~--~---
