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• studied that “Abstract class means ,it doesn’t maintain the complete information about the particular class”. Is it right? Justify?  29.10.08

  I Abstract class must be extended/subclassed (to be useful). It serves as a template. A class that is abstract may not be instantiated (ie, you may not call...

• Can we declare final method in abstract class ?  29.10.08

  ya But,you must provide implementation in same abstract class,as you cannot override that final method in sub class....

• What is the difference between abstract and final classes?  27.10.08

  An abstract class cannot be instantiated whereas a final class cannot be extended. Abstract class cannot be instantiated because the methods declared in...

• If we can’nt make the object of abstract class what is the use of defining of data members and non abstract functions in that abstract class?  27.10.08

  Eventhough you cant create an instance of abstract class you can create an instance of its super class which inherits the members of the abstract class(sub cl...

• abstract class can be declared as final  27.10.08

  Abstract class can't be declare as final. The reasion behind it that, If we declare a class as abstract then we can't intanciate that class ( only we can...

• what is the difference between abstract class & Final class  27.10.08

  An abstact clas is a class which must be sub-classed and a final class is a class which cant be sub-classed. That means to get the functinaity of an abstrac...

• What is difference between abstract class and interface  27.10.08

  n Abstract Class can contain default Implementation, where as an Interface should not contain any implementation at all. An Interface should contain only de...

• What is final ?  27.04.08

  A final class can't be extended ie., final class may not be subclassed. A final method can't be overridden when its class is inherited. You can't change value o...

• What is an abstract class ?  27.04.08

  Abstract class must be extended/subclassed (to be useful). It serves as a template. A class that is abstract may not be instantiated (ie, you may not call its c...

• What is final?  30.08.06

  A final class can't be extended ie., final class may not be subclassed. A final method can't be overridden when its class is inherited. You can't change value o...