Abstract Class need not have any abstract methods. Please correct the first row third column saying "An abstract class must have at least one method with empty implementation".
Y we need to declare abstract and interface before class?
instead we can directly declare methods,arguments,etc as public elsewhere in program and inherit by extend...!!!!
Also what is the utmost considerable advantage of interface over abstract or viceversa..? pls make me to understand
About Marker InterfaceSATISH SHARMA July 10, 2011 at 10:18 PM
The Actual Functionality Of Marker Interface Is That It enforce the user to have common coding...
marker interfacechandan kumar sahoo July 2, 2011 at 11:19 PM
i am not getting clear on the description on marker interface. I want to know in datails and elaborately about marker interface with some example
interfacemerlin October 5, 2011 at 10:14 PM
what is use of marker interface eventhoough it is not having any methods inside it?
javatoybabu December 9, 2011 at 2:23 PM
need more and more examples
To give the all type of java program to usVilas Dandge January 17, 2012 at 2:43 PM
This web is very help full to me.
marker interfacesuhl@dipta May 29, 2012 at 12:11 AM
but some marker interface has methods,like Runnable interface. So my question is why marker interface provided by java?
Abstract ClassVenkat Pagadala June 10, 2012 at 12:57 PM
Abstract Class need not have any abstract methods. Please correct the first row third column saying "An abstract class must have at least one method with empty implementation".
Use of interface and abstractpraga June 19, 2012 at 5:07 PM
Y we need to declare abstract and interface before class? instead we can directly declare methods,arguments,etc as public elsewhere in program and inherit by extend...!!!! Also what is the utmost considerable advantage of interface over abstract or viceversa..? pls make me to understand
Difference between run and start method in threadssanjay August 22, 2012 at 3:33 PM
Please let me know Difference between run and start method in threads
learningharish October 17, 2012 at 1:36 PM
Thank you for providing this concepts
abstract methodunis ahmad November 24, 2012 at 12:38 AM
it is not mandatory for abstract class to have atleast one abstract method.please correct the mistake.
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