Problem 2: Suppose the following description for three classes: Class named Person and two subclasses named Student and Employee. · A person has a name, address, phone number and e-mail address. A student has a student no. , average and stage. • An employee has an office, salary and date-hired. Implement the above classes in Java. Write an main method to create objects of type Student and Employee and print the person's name ...
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OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
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- Java- Suppose that Vehicle is a class and Car is a new class that extends Vehicle. Write a description of which kind of assignments are permitted between Car and Vehicle variables.Implement the following using JAVA: a.Design a class named Person and its two subclasses named Student andEmployee. b.Make Faculty and Staff subclasses of Employee. Please note that,● A person has a name, address, phone number, and email address. A student has aclass status (freshman,sophomore, junior, or senior). You can define the status as aconstant.● An employee has office & salary.● A faculty member has office hours and a rank.● A staff member has a title. c. Draw a UML diagram of the system.Java program: 1. Write a PaypalAccount class to include both balance and accountID as the instance variables. Make sure each instance of this account will have a unique accountID. In other words, different account object should have different accountID (hint: class variable). 2. Write a Bank class with main method. In the main method, ask the user to input how many accounts (say numOfAccount) to be generated in the bank (assuming less than 1000). Then create an array to hold these numOfAccount of Account objects. For eachAccount object, generate a random balance in the range of 0.0-1000.0. Assume that your campus ID is abc-de-fghi; search the array to see if there is an account with accountID as abc (the first three digits of your campus ID). If there is not an account with accountID as abc, then set the accountID of the last account in the array as abc; transfer all the balance of the first account to the account with accountID of abc. Set the balance of the account with accountID…
- Java program: 1. Write a PaypalAccount class to include both balance and accountID as the instance variables. Make sure each instance of this account will have a unique accountID. In other words, different account object should have different accountID (hint: class variable). 2. Write a Bank class with main method. In the main method, ask the user to input how many accounts (say numOfAccount) to be generated in the bank (assuming less than 1000). Then create an array to hold these numOfAccount of Account objects. For eachAccount object, generate a random balance in the range of 0.0-1000.0. Assume that your campus ID is 141-88-2014; search the array to see if there is an account with accountID as 141 (the first three digits of your campus ID). If there is not an account with accountID as 141, then set the accountID of the last account in the array as 141; transfer all the balance of the first account to the account with accountID of 141. Set the balance of the account with accountID…JAVA PROGRAMMING - Create a class named "Shape" that has rhe abstract methods getArea() and getPerimeter(). - Create a class named "Rectangle", "Square", and "Circle". Override the methods getArea() and getPerimeter() with the right equation in getting the area and perimeter. - For rectangle, create attribute length and width. For square, side. For circle, radius Inputs: 1. Char input for Shape Type (Rectangle, Square, Circle). 2. Dimensions for specific type of Shape Output: Shape: Rectangle Length: 10 Width: 50 Area: 500.00 Perimeter 120.00Write a Java program that consists of at least three classes for Students, Employees and Courses registration in University. The program should be fully documented, and the following concepts should be applied: Defining a constructor with and without arguments. Use the setter, getter and toString methods Sending an object/s to a method and returning it as a return value. Defining array of objects and using loop/s and Scanner object/s for data entry. Defining the main method that integrates the whole project.
- Write a program in java Design a class that holds the following personal data: name, address, age, and phone number.Write appropriate accessor and mutator methods. Demonstrate the class by writing aprogram that creates three instances of it. One instance should hold your information, andthe other two should hold your friends’ or family members’ information.Write a java code for the following. Design a class named Person and its two subclasses named Student and Employee. Make Faculty and Staff subclasses of Employee. A person has a name, address, phone number, and email address. A student has a class status (freshman, sophomore, junior, or senior). Define the status as a constant. An employee has an office, salary, and date hired. Use the MyDate class defined as below to create an object for date hired. A faculty member has office hours and a rank. A staff member has a title. Override the toString method in each class to display the class name and the person’s name. Write a test program that creates a Person, Student, Employee, Faculty, and Staff, and invokes their toString() methods. Design a class named MyDate. The class contains: The data fields year, month, and day that represent a date. month is 0-based, i.e., 0 is for January.A no-arg constructor that creates a MyDate object for the today’s date.A constructor that constructs a…Note: Write a Java program given below Question # 1: Define a class for Students with field name, age, marks. Define getter and setter for all the fields. In the setter method, if age is less than 0, print that Age is less than zero. Similarly, if marks is less than zero or greater than 100, print in correct marks and don’t assign marks to member variable. In the Test class, create student’s object and assign the marks and age to appropriate values. Try assigning incorrect values to check if getter and setter methods work as expected.
- 16. Create a class SubstitutionCipher that implements the interface MessageEncoder, as described in the previous exercise. The constructor should have one parameter called shift. Define the method encode so that each letter is shifted by the value in shift. For example, if shift is 3, a will be replaced by d, b will be replaced by e, c will be replaced by f, and so on. (Hint: You may wish to define a private method that shifts a single character.)1. Implement the following using JAVA :- a. Design a class named Person and its two subclasses named Student and Employee. b. Make Faculty and Staff subclasses of Employee. Please note that, A person has a name, address, phone number, and email address. A student has a class status (freshman,sophomore, junior, or senior). You can define the status as a constant. An employee has office & salary. • A faculty member has office hours and a rank. • A staff member has a title. c. Draw a UML diagram of the system.use C++ programming language. Design and implement a class dayType that implements the day of the week in a program. The class dayType should store the day, such as Sun for Sunday. The program should be able to perform the following operations on an object of type dayType: Set the day. Print the day. Return the day. Return the next day. Return the previous day. Calculate and return the day by adding certain days to the current day. For example, if the current day is Monday and we add 4 days, the day to be returned is Friday. Similarly, if today is Tuesday and we add 13 days, the day to be returned is Monday. Add the appropriate constructors.