How to call a non virtual function in the derived class by using base class pointer

3 Answers   HCL,

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What is difference between data abstraction and encapsulation?

0 Answers  

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What are different types of JVM's? for example we use dalvik jvm for android then what about the remaining operating systems?

0 Answers   IBM,

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Why we are use # in begning of programme of c++.

2 Answers   Syntel,

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What is the example of polymorphism?

0 Answers  

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Question In a class, there is a reference or pointer of an object of another class embedded, and the memory is either allocated or assigned to the new object created for this class. In the constructor, parameters are passed to initialize the data members and the embedded object reference to get inialized. What measures or design change should be advised for proper destruction and avioding memory leaks, getting pointers dangling for the embedded object memory allocation? Please suggest. Question Submitted By :: Sunil Kumar I also faced this Question!! Rank Answer Posted By Re: In a class, there is a reference or pointer of an object of another class embedded, and the memory is either allocated or assigned to the new object created for this class. In the constructor, parameters are passed to initialize the data members and the embedded object reference to get inialized. What measures or design change should be advised for proper destruction and avioding memory leaks, getting pointers dangling for the embedded object memory allocation? Please suggest. Answer # 1 use copy constructors 0 Shanthila There is something to be taken care in destructor, in copy constructor, suppose the memory is assigned to the embedded member object pointer with the parameter passed value, but if some other objects of different class also are pointing to this memory, then if some one deletes the object then this class member pointer object will become dangling, or if the object is not deleted properly then there will be memory leak. Please suggest the design change required to handle or avoid this situation

0 Answers   TCS,

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What are the OOPS concepts?

106 Answers   A1 Technology, Bajaj, CTS, EDS, HP, Infosys, Intel, Microsoft, MNC, Persistent, PlanetSoft, ProConstructor, TCS, Virtusa, Wipro, YSoft Solutions,

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What do you mean by stack program? Get me an example stack program?

4 Answers  

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How do you achieve runtime polymorphism?

0 Answers  

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What is property in oops?

0 Answers  

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program in c++ that can either 2 integers or 2 floating point numbers and output the smallest number

1 Answers   Anna University,

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why to use template classes in c++?

1 Answers  

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