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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the channel in the data communication model can be? option a.postal mail serv. b telephon lines c.radio signals d. all the above

2 Answers   iNautix, National Investment Commission,

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Suppose server object is not loaded into the memory, and the client request for it , what will happen?

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Q1.Write a C program which asks the user for a number between 1 to 9 and shows the  number. If the user inputs a number out of the specified range, the program should  show an error and prompt the user for a valid input.

0 Answers  

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What is meant by STACK?

5 Answers   Mascot,

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Artficial language is provided which of the language?

3 Answers   Geometric Software,

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Plz sent me in .net 2.0 interview Question & answers?

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how many languages .net is supporting now?

2 Answers  

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Data Structure:  How many comparisons are necessary to find the largest and smallest of a set of n distinct elements?  

0 Answers   Student,

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DIFFERENCE BETWEEN BINDING LANG AND BIND DIR WHEN USING IN SERVICE PGM

0 Answers   CTS,

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Caret means to you

1 Answers  

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i want to open a helkp file that is txt file on link buttons click

1 Answers  

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