What do you mean by pure virtual functions in C++? Give an example?

1 Answers  

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Should I learn c or c++ first?

0 Answers  

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When a function is made inline. Write the situation where inline functions may not work.

2 Answers  

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class Foo { const int x; protected: Foo(int f); ~Foo(); }; Foo f; Referring to the sample code above, why will the class declaration not compile? a) The variable x is const. b) The destructor is protected. c) The destructor is not public. d) The constructor is protected. e) There is no default constructor.

5 Answers   Quark,

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Why is c++ awesome?

0 Answers  

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How many lines of code you have written for a single program?

4 Answers   BoA,

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1)#include <iostream.h> int main() { int *a, *savea, i; savea = a = (int *) malloc(4 * sizeof(int)); for (i=0; i<4; i++) *a++ = 10 * i; for (i=0; i<4; i++) { printf("%d\n", *savea); savea += sizeof(int); } return 0; } 2)#include <iostream.h> int main() { int *a, *savea, i; savea = a = (int *) malloc(4 * sizeof(int)); for (i=0; i<4; i++) *a++ = 10 * i; for (i=0; i<4; i++) { printf("%d\n", *savea); savea ++; } return 0; } The output of this two programs will be different why?

5 Answers  

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What do you mean by call by value and call by reference?

4 Answers  

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Write a C/C++ program to show the result of a stored procedure "PROC_RESET_MAIL" on database "USER_NOTIFY".

2 Answers   ABC, Accenture, DataLand, HCL, Webyog,

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What is the precedence when there is a global variable and a local variable in the program with the same name?

0 Answers  

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Define copy constructor.

0 Answers  

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Can we specify variable field width in a scanf() format string? If possible how?

0 Answers  

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