What are the advantages of using pointers in a program?

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Is c++ a float?

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What number of digits that can be accuratly stored in a float (based on the IEEE Standard 754)? a) 6 b) 38 c) An unlimited number

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What is a singleton class c++?

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What is input operator in c++?

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class Foo { public: Foo(int i) { } }; class Bar : virtual Foo { public: Bar() { } }; Bar b; Referring to the above code, when the object 'b' is defined, a compiler error will occur. What action fixes the compiler error? a) Adding a virtual destructor to the class Bar b) Adding a constructor to Bar which takes an int parameter c) Adding "Foo()" to the Bar constructor d) Adding a copy constructor to the class Foo e) Adding "Foo(0)" to the Bar::Bar initializer list

2 Answers   Quark,

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template<class T, class X> class Obj { T my_t; X my_x; public: Obj(T t, X x) : my_t(t), my_x(x) { } }; Referring to the sample code above, which one of the following is a valid conversion operator for the type T? a) T operator T () { return my_t; } b) T operator(T) const { return my_t; } c) operator(T) { return my_t; } d) T operator T (const Obj &obj) { return obj.my_t; } e) operator T () const { return my_t; }

1 Answers   Quark,

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write a C++ programming using for loop: * * * * * * * * * *

4 Answers   TCS,

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What is an adaptor class or wrapper class in c++?

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Explain the isa and hasa class relationships. How would you implement each?

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List out some of the object-oriented methodologies?

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What is the purpose of the "delete" operator?

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