what is the main usage of an abstract keyword?please follow the program class A { void display() { System.out.println("hai"); } void print() { } } class B extends A { void print() { System.out.println("Hello"); } } In this program i was gives the implementation of print() according to my requirements in subclass.And there is no definition in superclass then why we can use abstract keyword before a method that i want to gives definition in other classes,is any mistakes in the above usage of method?

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this is Ramu .i am working as sap sd end user.I am joined sap sd course but i am completed my graduation 2011. actually 2005 -2008 my education year. any plausibility to get good ob

768

Which agent enables the deliberation about the computational entities and actions? a) Hybrid b) Reflective c) Relational d) None of the mentioned

374

What is the difference between spreading and striking ?

926

Can any one please give me an effective format for designing a functional specification and technical specification sheet for a software developemnt related company asap...it would be highly useful for my final year project.

1547

How does sunlight affect plants?

843

How are BAPI different from normal function modules?

877

What is ST and specify its range of voltage.

651

What do you understand by the term 'Big 4s'?

1403

company accounts introduction?

1269

what are the methods to study nuceic acid and protein interactions?

705

Why TDS not Deducted on Service tax amount of Rent.

988

Which method is preferred to save datas like database?

723

Inline parameters : What does the compiler do with the parameters of inline function, that can be evaluated in runtime ?

1173

How to print page numbers in a script through SE38 Program ?

2327