Answer Posted / vishaka

The class shoul be made abstract to stop it from being
derived or inherited. To make a class abstract, it should
have atleast one pure virtual function.

They started with the brief introduction followed by few basic C++ questions on polumorphism, inheritance and then virtual functions. What is polymorphims? How you will access polymorphic functions in C? How virtual function mechanism works?

1931

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Which is better struts or spring?

1059

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Why is polymorphism used?

1043

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What is difference between multiple inheritance and multilevel inheritance?

1150

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What is the main purpose of inheritance law?

1199

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What are two types of polymorphism?

1078

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What is the highest level of cohesion?

1052

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Why is abstraction needed?

1039

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How is polymorphism achieved?

1057

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What are the benefits of interface?

1065

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What is object-oriented programming? Webopedia definition

1267

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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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Which method cannot be overridden?

1100

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class CTest { public: void someMethod() { int nCount = 0; cout << "This is some method --> " << nCount; } }; int main() { CTest *pctest; pctest->someMethod(); return 0; } It will executes the someMethod() and displays the value too. how is it possible with our creating memory for the class . i think iam not creating object for the class. Thanks in Advance... Prakash

2289

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Can a varargs method be overloaded?

1111

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