Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
conversion functionsconversion functions are member functions used for the following purposes1 conversion of object to basic data type2 conversion of
rules for overloading an operatorthis summarizes the most significant points you need to know in order to do operator function overloading the only
implementing operator functionsthe general format of the operator function isreturntype operator op argument list where op is the symbol for the
operator overloading fundamentalsthe c language uses the concept of operator overloadingdiscreetly the asterisk is used as multiplication operator
explain operator overloadingit is one type of polymorphism an significant feature of object-oriented programming polymorphism means one thing having
write a program to add co-ordinates of the plane the class having x and y co-ordinates create three objectsuse a constructor to pass one pair of
a constructive exampleconsider an example to model a user-defined data type for strings the object simulates a character array string using a
the default constructor and destructorif you fail to write a constructor and destructor function the compiler automatically supplies them for you
syntax rules for writing a destructor function its name is the similar as that of the class to which it belongs except that the first character of
destructorsa destructor function gets implemented whenever an instance of the class to which it belongs goes out of existencethe primary usage of a
using the constructorthere are basically three ways of creating and initializing the object the first way to call the constructor is explicitly as
syntax rules for writing constructor functions its name must be similar as that of the class to which it belongs it is declared with no return type
constructorsby definition a constructor function of some class is a member function that automatically gets implemented whenever an instance of the
explain a class to model a banking systemthe function members should allow initializing the data members a query to facilitate for account and a
dereferencing the pointer thissometimes a member function requires to make a copy of the invoking instance so that it can change the copy without
the special pointer thiswhen various instances of a class come into existence it naturally follows that each instance has its own copy of member
array of objectsa class is a template which can contain data items as well as member functions to operate on the data items various objects of the
pointers to objectspassing and returning of objects is though not very efficient since it includes passing and returning a copy of the data members
passing and returning objectsobjects can be passed to a function and returned back just like normal variables when an object is passed by content the
member functions of a classa member function of the class is similar as an ordinary function its declaration in a class template must explain its
public private and protected membersclass members can either be declared in publicprotected or in the private sections of the class but as one of the
classes and objectsa class is a vehicle to execute the oop features in the c language once a class is declared an object of that type can be
class definitionthe following is the general format of defining a class templateclass
introduction to classesobject-oriented programming oop is a conceptual approach to design programs it can be executed in many languages whether they
structuresa structure is a user-defined data type which may have different data types as its members creating a structure is a two-part process first