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  • What is virtual constructors/destructors?

  • What is pure virtual functions?

  • What is namespace?

  • What is RTTI?

  • What is a template?

  • What is inline function?

  • What is virtual class and friend class?

  • What is function overloading and operator overloading?

  • Difference between realloc() and free()?

  • What is binding of data and functions?

  • What is abstraction?

  • What is encapsulation?

  • What is the difference between an object and a class?

  • What is polymorphism? Explain with an example?

  • What is inheritance?

  • What is a scope resolution operator?

  • What are virtual functions?

  • What is friend function?

  • What is the difference between class and structure?

  • What is public, protected, private?

  • What is an object?

  • What is a class?

  • What is the difference between Function and Member function?

  • What is a memory leak? How can we avoid it?

  • Define copy constructor? What is the use of copy constructor?

  • How do you write a program which produces its own source code as its output?

  • Can you allocate the memory using malloc() in C and deallocate the same memory using free() in c++

  • it possible to inherit the private member in drived class?

  • What are the things contains in .obj file ? ( compiled result of .cpp file )

  • What is difference between followin intialization. int iVar1; int iVar2 = int(); and which one of two should we prefer always and why?

  • What is the use of volatile keyword? Give me one example?

  • What is the difference between Object and Instance?

  • What is function overriding?

  • Can we take “main function” as of type float,char etc?

  • Hey anybody help me to write code for this program wap which display year,month & day presents in a year for eg.

  • no. is 14 print 2 weeks

  • no is 90 print 3 months

  • no is 365 print 1 year user can input any no

  • How is static variable stored in the memory? ( if there are 2 functions in a file,and the static variable name is same (ex var) in both the function. how is it keep seperately in the memory).

  • What will be output of the following code #include using namespace std; class abc { public : void main() { cout<<" Its main function "< } }; int main(int c, char **v) { abc a; if(c<1) { cout<<" Error can not accept it "< exit(1); } cout<<" its in main program "< a.main(); return 0; }

  • What is the difference betwen wait() and delay()?

  • Why always array starts with index 0

  • Can main() be overridden

  • What is the difference between macro and inline()?

  • How can we define a dynamic memory allocation in UNIX operating system?

  • What are auto static variables and auto extern variables?

  • Different types of languages compare in c++ and other lanuages

  • Oops concepts in other language oops

  • How can double dimensional arrays be dynamically initialized in C++?

  • Can destructor be private?

  • Why Pointers are not used in C Language. What are the main differences between C and C++

  • What is memory leaking in c++ ?

  • class A() { }; int main() { A a; } Whether there will be a default contructor provided by the compiler in above case ?

  • class A() { }; int main() { A a; } Whether there will be a default contructor provided by the compiler in above case ?

  • What is operator overloading?what r the advantages of operator overloading?

  • Why array index starts from 0[zero] only?

  • What is the difference between c&c++?

  • What is the use of virtual destructor?

  • Why cant one make an object of abstract class?Give compiler view of statement

  • What is the need /use of function overloading

  • In c++ have a default constructor ?

  • What is a “RTTI”?

  • Have you heard of “mutable” keyword?

  • What is “strstream”?

  • What are inline functions?

  • Can we generate a C++ source code from the binary file?

  • Explain “passing by value”, “passing by pointer” and “passing by reference”

  • How to write a program such that it will delete itself after execution?

  • Difference between “vector” and “array”?

  • What are the types of STL containers?

  • Difference between a “assignment operator” and a “copy constructor”

  • Can we have “Virtual Constructors”?

  • What are the different types of Storage classes?

  • What are Virtual Functions? How to implement virtual functions in “C”

  • What are the different types of polymorphism?

  • Explain the need for “Virtual Destructor”.

  • What is the difference between “overloading” and “overriding”?

  • Difference between “C structure” and “C++ structure”.

  • What will happen if I say delete this

  • What is the output of printf (”%d”)

  • What is an algorithm (in terms of the STL/C++ standard library)?

  • How can you force instantiation of a template?

  • What is the difference between operator new and the new operator?

  • Can you explain the term “resource acquisition is initialization?”

  • What is defference between constructor and destructor

  • What is encapsulation?

  • What is the difference between an object and a class?

  • What is inheritance?

  • What is a scope resolution operator?

  • What is the Basic nature of “cin” and “cout” and what concept or principle we are using on those two?

  • What are virtual functions?

  • We can overload assignment operator as a normal function.But we can not overload assignment operator as friend function why?

  • What is the difference between class and structure?

  • What is an object?

  • What is the difference between structures and classes in C++?

  • What is a class?

  • What is polymorphism? Explain with an example?

  • What is public, protected, private?

  • What is friend function?

  • What is binding of data and functions?

  • Difference between realloc() and free()?

  • What is function overloading and operator overloading?

  • What is virtual class and friend class?