If we are having Interface A,Interface B,Interface C and Class D where A,B,C are Base classes and D has extended the features of all the threeif A,B,C are having totally 5 methods and D has developed only 3 of them what will happen when we compile that program

sudheert
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May 29th, 2006
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Bhavya

Jun 1st, 2006

It won't get compile ,o/p as follows
d is not abstract and does not override abstract method which u won't override in class d .
Compulsory u need to override all methods otherwise declare d class as
abstract .

siva kumar reddy

Aug 10th, 2006

hi
in this case we will extend the features of a,b,c
1)implements three methods of interface and give the empty implementation for remaining two methods.
cheers
siva