TechFAQ

C C++ interview questions

• What is a container class? view answer
• What is an orthogonal base class? view answer
• What is a node class? view answer
• Name some pure object oriented languages. view answer
• What are proxy objects? view answer
• What are the conditions that have to be met for a condition to be an invariant of the class? view answer
• Define precondition and post-condition to a member function. view answer
• What do you mean by Stack unwinding? view answer
• What is class invariant? view answer
• What is a Null object? view answer
• What is an adaptor class or Wrapper class? view answer
• Differentiate between the message and method. view answer
• What is a dangling pointer? view answer
• *i=0; view answer
• int *i=0x400 // answer = ? view answer
• What is an incomplete type? view answer
• List out some of the object-oriented methodologies. view answer
• List out some of the OODBMS available. view answer
• What is an Iterator class? view answer
• What is the use of ?using? declaration. view answer
• Define namespace. view answer
• When does a name clash occur? view answer
• Differentiate between a template class and class template. view answer
• What is an accessor? view answer
• What is a modifier? view answer
• How do you find out if a linked-list has an end? (i.e. the list is not a cycle) view answer
• How do you write a function that can reverse a linked-list? view answer
• Can a copy constructor accept an object of the same class as parameter, instead of reference of the object? view answer
• What is a local class? Why can it be useful? view answer
• hat is a nested class? Why can it be useful? view answer
• What are the access privileges in C++? What is the default access level? view answer
• What is multiple inheritance(virtual inheritance)? What are its advantages and disadvantages? view answer
• How do you access the static member of a class? view answer
• What does extern "C" int func(int *, Foo) accomplish? view answer
• What are the differences between a C++ struct and C++ class? view answer
• Can you overload a function based only on whether a parameter is a value or a reference? view answer
• Can you think of a situation where your program would crash without reaching the breakpoint which you set at the beginning of main()? view answer
• What is Virtual Destructor? view answer
• How can I handle a destructor that fails? view answer
• How can I handle a constructor that fails? view answer
• What is the difference between const char *myPointer and char *const myPointer? view answer
• How are prefix and postfix versions of operator++() differentiated? view answer
• What is the difference between a pointer and a reference? view answer
• What is name mangling in C++?? view answer
• What happens when you make call "delete this;" ?? view answer
• What is "this" pointer? view answer
• What is Overriding? view answer
• What is overloading?? view answer
• What is inline function?? view answer
• What is a container class? What are the types of container classes? view answer
• Name the operators that cannot be overloaded?? view answer
• What do you mean by Stack unwinding? view answer
• What is a dangling pointer? view answer
• What is an Iterator class? view answer
• What is the use of 'using' declaration? view answer
• What problem does the namespace feature solve? view answer
• What is Memory alignment?? view answer
• What is pure virtual function? or what is abstract class? view answer
• What is virtual function? view answer
• When are temporary variables created by C++ compiler? view answer
• When do use "const" reference arguments in function? view answer
• What is reference ?? view answer
• What are storage qualifiers in C++ ? view answer
• What is the diff between "new" and "operator new" ? view answer
• What is diff between malloc()/free() and new/delete? view answer
• What is conversion operator?? view answer
• What is conversion constructor? view answer
• What is assignment operator? view answer
• What is copy constructor? and copy constructors called? view answer
• What is default constructor? view answer
• What is destructor? view answer
• What is constructor or ctor? view answer
• What is Polymorphism?? view answer
• What is inheritance? view answer
• What is encapsulation?? view answer

!!! C C++ interview questions !!!

What is class invariant?

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