Answer Posted / d n gavade

We use Virtual function as Dyanamic Polymorphism.
i.e run time we can passed referencr of derived class into
base class pointer and call the derived class method.Thi
sis its benefit.

But Virtual destructor is also needed when we use virtual
constructor other wise it will cause memory leaks.

What is a class in oop?

1134

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Why is object oriented programming so hard?

1089

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1081

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#include #include #include #include void select(char *items, int count); int main(void) { char s[255]; printf("Enter a string:"); gets(s); select(s, strlen(s)); printf("The sorted string is: %s.\n", s); getch(); return 0; } void select(char *items, int count) { register int a, b, c; int exchange; char t; for(a = 0; a < count-1; ++a) { exchange = 0; c = a; t = items[ a ]; for(b = a + 1; b < count; ++b) { if(items[ b ] < t) { c = b; t = items[ b ]; exchange = 1; } } if(exchange) { items[ c ] = items[ a ]; items[ a ] = t; } } } design an algorithm for Selection Sort

2554

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How to use CMutex, CSemaphore in VC++ MFC

4786

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What is polymorphism explain?

1265

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What is byval and byref? What are differences between them?

2220

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write a program using c++ to implement single contiguous memory mangement techniques.display the content of the main memory after yhe allocation of jobs and percentage of the wastage of the main memory

3232

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Advantage and disadvantage of routing in telecom sector

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1094

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What is difference between data abstraction and encapsulation?

1085

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Is html an oop?

1074

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There are two base class B1,B2 and there is one class D which is derived from both classes, Explain the flow of calling constructors and destructors when an object of derived class is instantiated.

2000

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What do you mean by overloading?

1078

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