Question 3) 3. Write a console programme that will create a list of Employees (using LinkList). Employee class will have firstName, sureName,age, dOb, salary, contact and address as attributes. The Employee class MUST implement all Mutator or Setter methods and Accessor or Getter methods (i.e. setFirstName(), getFirstName())and calculateSalary() method. Show that you can add emp1, emp2, emp3 to the LinkedList.
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- Profile the performance of the memoized version of the Fibonacci function defined in Project 6. The function should count the number of recursive calls. State its computational complexity using big-O notation, and justify your answer. The fib function header has been modified to include the counter as the second parameter. Define the Counter class, it should have three methods: __init__, increment, and __str__. When an instance of the Counterclass is passed as a parameter, the countproperty of that instance should be incremented based on the number of recursive calls. The __str__ method should return the countproperty's value as a string. Please can you change the solution to this problem here, because this is wrong. """ File: fib.py Project 11.7 Employs memoization to improve the efficiency of recursive Fibonacci. Counts the calls and displays the results. """ class Counter(object): def__init__(self,count=0): self.count=count defincrement(self): self.count+=1 def__str__(self):…Implement a “Library” class with attributes such as list of books, librarians, timings etc. • Implement functions to search, issue & report over due booksConsider that a system has two entities, Student and Course. The student has the following properties:student name, number, SSN and GPA. Similarly, the course has the following properties: course name,course number, credit hours and a set of students who are currently registering on the course.Implement the above system taking into account the following requirements:1.Write a getStudentpByName method in class course that takes a student name and returnsa list of all students who share the same name.2. Write a getStudentByGPA method in class course that takes a GPA and returns a list ofStudents in that course who have the same GPA.
- 3. Consider a hospital information system using which patients can take appointment with a doctor on first come first serve basis and their appointments are maintained in a queue. a. Discuss by giving reasons on which of the following data structures is most suitable for implementing such appointment queue, when considering that there is no limit on how many patients a doctor can see in any given day. *One dimensional array Linked list b. Write and execute a java program to create an object of class appointment queue, and perform operations such as insert, remove, and display. Give your reflection on each of these operationassume that the class student with private members id,name, number of courses,*p (a pointer of type int) has been already defined. implement the set() function and the copy constructor of the classPlease answer in C++ and give explanation LAB 17.1-B Linked List Read the internal documentation for class ItemList carefully. Fill in the missing code in the implementation file, being careful to adhere to the preconditions and postconditions. Compile your program. ------------------------------------------------------------------------------------------------------------------------------- class ItemList { private: struct ListNode { int value; ListNode * next; }; ListNode * head; public: ItemList(); // Post: List is the empty list. bool IsThere(int item) const; // Post: If item is in the list IsThere is // True; False, otherwise. void Insert(int item); // Pre: item is not already in the list. // Post: item is in the list. void Delete(int item); // Pre: item is in the list. // Post: item is no…
- module 7: suppose corporation is a base class and PublicCorporation is a derived class.Also suppose that each class defines a head() member function, that ph is a pionter to the Corporation type, and that ph is assigned the address of a PublicCorporation object. how is ph->head() interpreted if the base class defines head() as a a. Regular nonvirtual method b. virtual methodAnswer the following questions to assess your learning for operator overloading in classes in Object Oriented Programming. Q1. Why we use friend keyword with stream insertion and stream extraction operators ?Please provide three advantages of employing accessors rather than making secret types public.
- 4. Write a c# program for a sealed class called Logger that contains a method Log for logging messages. Since the Logger class is sealed, it cannot be inherited by other classes. In the Main method, we create an instance of the Logger class and call the Log method to log a message.Explain why it is better to have accessors for private types rather than public types in no more than three sentences.help me please: Write the definitions of the following functions: setWaitingTime getArrivalTime getTransactionTime getCustomerNumber of the class customerType defined in the section Application of Queues: Simulation //*************** customerType ************ void customerType::setCustomerInfo(int customerN, int arrvTime, int wTime, int tTime) { customerNumber = customerN; arrivalTime = arrvTime; waitingTime = wTime; transactionTime = tTime; } customerType::customerType(int customerN, int arrvTime, int wTime, int tTime) { setCustomerInfo(customerN, arrvTime, wTime, tTime); } int customerType::getWaitingTime() const { return waitingTime; } void customerType::incrementWaitingTime() { waitingTime++; }