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Name an advantage of array over linked list?
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Answer / jibran
in arrays direct access is possible where in linked list its not possible because all the time when we access an element we need pointers pointing to the memory location of that element...in short we can say that in linked list we are indirectly accessing the data but in arrays we are directly accessing the data...
| Is This Answer Correct ? | 1 Yes | 1 No |
Answer / fias
Array data structure stored in stack memory, which means we
have allocation done at compile time and there is no complex
memory management required. Performance would be better if
we use array, but size is limited, we need to decide at
compile time.
Where as, linked lists are dynamic memory allocation, it
stored in Heap memory. Very flexible to handle it. But, it
requires memory management as we request more memory or
release memory at run time. Linked lists are best choice if
we don't know the memory requirement at run time.
| Is This Answer Correct ? | 10 Yes | 12 No |
Answer / neha
Inserting and deleting elements is easier in array compared
to linked list.
In array, inserting element just requires incrementing the
next element by 1 and giving its previous index to new
element added. And deleting requires giving the element
which is after the element to b deleted an index one less to it.
But in linked list, link hs to be attached to p->next->next...
etc etc..
| Is This Answer Correct ? | 8 Yes | 13 No |
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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
STL 
