Write a class Complex for complex number system. The class should have 2 fields for real and imaginary part. The class should have two methods: 1. One takes 2 complex objects and returns their addition as a new complex object. 2. Another takes 2 complex objects and returns their multiplication as a new complex object Now create driver class with arbitrary values.
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Write a class Complex for complex number system. The class should have 2 fields for real and imaginary part. The class should have two methods: 1. One takes 2 complex objects and returns their addition as a new complex object. 2. Another takes 2 complex objects and returns their multiplication as a new complex object Now create driver class with arbitrary values.
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- QUESTION 1Write a class Complex for complex number system. The class should have 2 fields for real andimaginary part. The class should have two methods:1. One takes 2 complex objects and returns their addition as a new complex object.2. Another takes 2 complex objects and returns their multiplication as a new complex objectNow create driver class with arbitrary values. QUESTION 2Write a class about Aeroplane. Obviously, you will require other helper classes to complementyour aeroplane class. Design your classes yourself. The codes should contain the followingOOP features implemented in these classes:- Class- Object- Encapsulations- accessor/mutator- Method overloading- Objects as parameters- Objects as return type- Objects as fields- Association- Aggression- compositionBeside your code, comment the name of the feature that is implementedA complex number has two parts: real value and imaginary value. In mathematics, we learnt how to add and multiply two complex numbers. Write a class Complex which will have two fields for real and imaginary values. The constructor will set the values in these fields (there could be multiple overloaded constructors). The class should also have method like this: Complex add (Complex c) This add() method takes a complex object and return a new complex object after adding the complex number c with itself(Use general complex number addition rule).Define the Circle2D class that contains: Two double data fields named x and y that specify the center of the circle with get methods. A data field radius with a get method. A no-arg constructor that creates a default circle with (0, 0) for (x, y) and 1 for radius. A constructor that creates a circle with the specified x, y, and radius. A method getArea() that returns the area of the circle. A method getPerimeter() that returns the perimeter of the circle. A method contains(double x, double y) that returns true if the specified point (x, y) is inside this circle. See Figure 10.14(a). A method contains(Circle2D circle) that returns true if the specified circle is inside this circle. See Figure 10.14(b). A method overlaps(Circle2D circle) that returns true if the specified circle overlaps with this circle. See the figure below. Figure (a) A point is inside the circle. (b) A circle is inside another circle. (c) A circle overlaps another circle. Draw the UML diagram for the class.…
- Java Object Oriented Programming Create a Shape class that shall have color and filled instance variables of enum Color and boolean type. The filled boolean variable shall show, whether the shape is filled (colored). The enum Color shall be defined within the class having 4 color names (choose any four). Also define getArea and getPerimeter method in Shape class, both shall return 0. Create Rectangle class with length and width attributes and a Circle class with radius attribute, of type double. Properly encapsulate all fields. Circle and Rectangle shall extend Shape class and override getArea and getPerimters methods as per its type and specific formula. In Test class, create an object of Rectangle and Circle, by initializing all attributes in constructor and print both shapes' area and perimters. In Test class, define a static method with following signature, public static void printEachShapeCount(Shape... shapes) As you know, the parent type variable can hold the…Write a class Complex for complex number system. The class should have 2 fields for real and imaginary part. The class should have two methods: One takes 2 complex objects and returns their addition as a new complex object. Another takes 2 complex objects and returns their multiplication as a new complex objecThis Java code involves implementing a simple university personnel management program. The program contains three kinds of objects: Staff, Student, and Faculty. For each object, the program stores relevant information such as university ID, name, etc. Different information is stored depending on the type of object. For example, a student has a gpa, a faculty has a title and department (professor, mathematics). For each of any class data member, your program must include the getters and the setters, and each class must include at least two constructors. The main goal of this code is to demonstrate the use of inheritance, abstract classes, abstract methods, and method overriding. The Student class has the private attributes:- full name : String- id: String- gpa: double- Number of credit hours currently taken: int For a faculty, we need a: - full name: String- id: String- department (mathematics, engineering or english): String- Rank (professor or adjunct): String For a staff,…
- Define a class named Employee. This class should extend the Person class from the previous question. The class should have a constructor, which takes the name, age, employer (String) and salary (int) as parameters (in that order). The first two parameters should be passed to the constructor of the superclass and the value of the last two parameters should be stored in instance variables. The class should define the methods, getSalary which returns the salary of the employee and getEmployer which returns the name of the employer. Any methods from the previous question that need to be overridden should be overridden! Use super and instanceof as appropriate. I.e., for the following methods you should be able to call the method in the superclass for specific situations (e.g. the compareTo method in the superclass can be called if you receive anything other than an Employee, and this also holds for the equals method). The toString method only needs to append details and as such can also…Define the Circle2D class that contains: Two double data fields named x and y that specify the center of the circle with get A data field radius with a get A no-arg constructor that creates a default circle with (0, 0) for (x, y) and 1 for radius. A constructor that creates a circle with the specified x, y, and radius. A method getArea() that returns the area of the circle. A method getPerimeter() that returns the perimeter of the circle. A method contains(double x, double y) that returns true if the specified point (x, y) is inside this circle. See Figure 10.14(a). A method contains(Circle2D circle) that returns true if the specified circle is inside this circle. See Figure 10.14(b). A method overlaps(Circle2D circle) that returns true if the specified circle overlaps with this circle. See the figure below. (a) (b) (c) Figure 10.14 (a) A point is inside the circle. (b) A circle is inside another circle. (c) A circle overlaps another circle. Draw…Java Program The assignment requires two classes. Put all classes in the same package. Class Employee Attributes (all private): id: String lastName: String firstName: String salary: int Methods: Parameterized constructor for initializing a new Employee instance Getters for all attributes toString method to display an Employee's attributes (See output of executable below) Executable Class Create an array of at least eight Employee objects. Be sure to use many with identical last names, but don't order them by name in the array. Create an ArrayList from the array. Sort the ArrayList first by last name and then by first name. Using the forEach method and a lambda expression, print all employees alphabetically sorted by name. Create a LinkedList from the ArrayList. Create an iterator capable of cycling both forward and backward through the LinkedList. Iterate forward through the LinkedList without generating any output. Then iterate backwards through the LinkedList to print…
- A SuperDie Class Write a class SuperDie that models a single die with an arbitrary number of sides, not just six. A die instantiated with the default constructor has six sides. The methods of this class should be: • roll a die and return its value, • return the number of sides on a die, and • change the number of sides on a die. Include a main(...) method that tests all the methods of your class.QUESTION 1 Write a class Complex for complex number system. The class should have 2 fields for real and imaginary part. The class should have two methods: 1. One takes 2 complex objects and returns their addition as a new complex object. 2. Another takes 2 complex objects and returns their multiplication as a new complex object Now create driver class with arbitrary values.Design a Java class that is named as MyInteger. The class should contain: An int data field named value that stores the int value represented by this object. A constructor that creates a MyInteger object for the specified int value. A getter method that returns the int value. The methods isEven(), isodd(), and isPrime () that return true if the value in this object is even, odd, or prime, respectively. The static methods isEven(int), isodd(int), and isPrime (int) that return true if the specified value is even, odd, or prime, respectively. The static methods isEven(MyInteger), isodd(MyInteger), and isPrime(MyInteger) that return true if the specified value is even, odd, or prime, respectively. The methods equals (int) and equals(MyInteger) that return true if the value in this object is equal to the specified value. E A static method parseInt (char[]) that converts an array of numeric characters to an int value. A static method parseInt (String) that converts a string into an int…