Object Oriented Programming Object Oriented Programming In all the programs we wrote till now, we have designed our program around functions i. This is called the procedure-oriented way of programming.
Only insertion operator can be overloaded among all the given options. And the polymorphism can be illustrated here only if any of these is applicable of being overloaded. Overloading is type of polymorphism. Find the output of the program: Notice that the function name in derived class is different from the function name in base class.
Hence when we call the disp function, base class function is executed. No polymorphism is used here. Polymorphism is possible in C language.
We can use structures and then declare pointers which in turn points to some function. In this way we simulate the functions like member functions but not exactly member function.
Now we can overload these functions, hence implementing polymorphism in C language. Which problem may arise if we use abstract class functions for polymorphism?
The undefined functions must be defined is a problem, because one may need to implement few undefined functions from abstract class, but he will have to define each of the functions declared in abstract class.
Being useless task, it is a problem sometimes. Which among the following is not true for polymorphism?
If 2 classes derive one base class and redefine a function of base class, also overload some operators inside class body. Among these two things of function and operator overloading, where is polymorphism used?
Both of them are using polymorphism. It is not a necessary that polymorphism can be used only once in a program, it can be used anywhere, any number of times in a single program.Origins What is the purpose of the project?
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In object-oriented programming, inheritance enables new objects to take on the properties of existing objects. A class that is used as the basis for inheritance is called a superclass or base class. A class that inherits from a superclass is called a subclass or derived class.
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I could keep going, but just not worthy of my time.