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what is the main difference between c and c++?
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Answer Posted / p vasavi
C++ IS THE ADVANCED VERSION OF C
* C IS A TOP DOWN APPROACH WHEREAS C++ IS A BOTTOM UP
APPROACH.
* C IS A OBLECT BASED PROGRAM THEY USE LIKE STRUCTURE AND
UNIONS WHEREAS C++ IS OBJECT ORIENTED PROGRAMMING THAT
MEANS ENTIRE PROGRAM IS MAINLY BASED ON OBJECT AND OBJECT
ORIENTED PROGRAMMING IS REUSEABILITY INCREASES THE
EFFICIENCY OF THE PROGRAM
* DATA IS NOT SECURED IN C WHEREAS IN C++ DATA IS SECURED
* IN C WE ARE USING #INCLUDE<STDIO.H> WHEREAS IN C++ WE
ARE USING #INCLUDE<IOSTREAM.H>
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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
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