By default, access to members of a struct are: private protected virtual public
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- A(n)_ is a class that only has pure virtual functions. Fill in the blanks with your response.Member access specifiers (public and private) can appear Select one: a. In any order and multiple times, if they have brackets separating each type b. In any order (public first or private first) but not multiple times c. Outside a class definition d. In any order and multiple times c++in c++ write aprogram to Create a class Rectangle with length and breadth as private data members and also provide the following member functions: getdata(): gets the length and breadth of rectangle. calarea(): return the area of the rectangle. calperi(): return the perimeter of the rectangle. issquare(): return true if the rectangle is square
- Object passing checklist1. Go over each member function and add the const keyword after their declaration ifthey do not modify any of the class' member variables.2. When accepting objects as parameters, prefer to pass them by reference. Add areference declarator (&) before the identifier name of an object parameter.3. If the member function does not modify the parameter, make the parameter constantby using the const keyword. apply the Object Passing Checklist. Modify food.h and volunteer.h to useobject references. Add const and & keywords in the appropriate places of the code.In C++, create a class student with member int ID and string name, and a default constructor that prints "Object created". Inside main create an object of student class.A(n)_ is a class that only contains virtual functions that are pure virtual. Fill in the blanks with your answer to this question.
- objective of the project: Implement a class address. An address has a house number street optional apartment number city state postal code. All member variables should be private and the member functions should be public. Implement two constructors: one with an apartment number one without an appartment number. Implement a print function that prints the address with the street on one line and the city, state, and postal code on the next line. Implement a member function comesBefore that tests whether one address comes before another when the addresses are compared by postal code. Returns false if both zipcodes are equal. Use the provided main.cpp to start with. The code creates three instances of the Address class (three objects) to test your class. Each object will utilize a different constructor. You will need to add the class definition and implementation. The comesBefore function assumes one address comes before another based on zip code alone. The test will also return…When a class declares an entire class as its friend, the friendship status is reciprocal. That is, each class's member functions have access to the other's private members. True FalseCONSTRUCTOR// IntSet()// Pre: (none)// Post: The invoking IntSet is initialized to an empty// IntSet (i.e., one containing no relevant elements).// CONSTANT MEMBER FUNCTIONS (ACCESSORS)// int size() const// Pre: (none)// Post: Number of elements in the invoking IntSet is returned.// bool isEmpty() const// Pre: (none)// Post: True is returned if the invoking IntSet has no relevant// relevant elements, otherwise false is returned.// bool contains(int anInt) const// Pre: (none)// Post: true is returned if the invoking IntSet has anInt as an// element, otherwise false is returned.// bool isSubsetOf(const IntSet& otherIntSet) const// Pre: (none)// Post: True is returned if all elements of the invoking IntSet// are also elements of otherIntSet, otherwise false is// returned.// By definition, true is returned if the invoking IntSet// is empty (i.e., an empty IntSet…
- c# programMake a class called Employees, with attributes Name, Gender, Experience, Salary and ID.Make a delegate called EligiblePromo. This delegate takes an employees object as a parameter and returns a boolean value indication whether or not the employee should be promoted.Make a PromoteEmployee() method that takes an arraylist of Employees and delegate of type EligiblePromo as parametersNB: PromoteEmployee() methos loops through each Employees object and passes it to the delegate(25)A class type cast can be used to force an object reference to be converted into another object reference of a class type which is not the original type, or a subclass, of the object reference being type-casted. * True FalseIf a member is declared private in a class, can it be accessed from other classes? If a member is declared protected in a class, can it be accessed from other classes? If a member is declared public in a class, can it be accessed from other classes?