Create a Java Project (with a class and a test class) to represent some real-world entity such as a technology item (TV, Fan etc), an animal, a person, a vehicle, etc. In our class, we have already seen example classes such as Circle, Student, Rectangle, TV etc.
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- User-defined Class: You will design and implement your own data class. The class will store data that has been read as user input from the keyboard (see Getting Input below), and provide necessary operations. As the data stored relates to monetary change, the class should be named MoneyChange. The class requires at least 2 instance variables for the name of a person and the coin change amount to be given to that person. You may also wish to use 6 instance variables to represent amounts for each of the 6 coin denominations (see Client Class below). There should be no need for more than these instance variables. However, if you wish to use more instance variables, you must provide a legitimate justification for their usage in the internal and external documentation.Your class will need to have at least a default constructor, and a constructor with two parameters:one parameter being a name and the other a coin amount. Your class should also provide appropriate get and set methods for…reate a Java Project (with a class and a test class) to represent some real-world entity such as a technology item (TV, Fan etc), an animal, a person, a vehicle, etc. In our class, we have already seen example classes such as Circle, Student, Rectangle, TV etc. The class will: a) Create a total of 5 member variables for the class by selecting the appropriate data types for each field. For example, a class to represent a lamp might include color, price, height, numBulbs, batteryOperated. Each of these 5 variables needs a data type. b) Includeatleastthreedifferentconstructormethods,includingthedefaultconstructor (no argument constructor), so totally three constructors. c) Create a member function showValues( ) to display the values of an object in a formatted manner. The Java test class (with a main method) will: a) Instantiate at least three objects (using each of the constructors at least once) with your program. b) Store the data from the individual objects into an array. c)…Create a Java Project (with a class and a test class) to represent some real-world entity such as a technology item (TV, Fan etc), an animal, a person, a vehicle, etc. In our class, we have already seen example classes such as Circle, Student, Rectangle, TV etc.The class will:a) Create a total of 5 member variables for the class by selecting the appropriate data types for each field. For example, a class to represent a lamp might include color, price, height, numBulbs, batteryOperated. Each of these 5 variables needs a data type.b) Include at least three different constructor methods, including the default constructor (no argument constructor), so totally three constructors.c) Create a method called showValues( ) to display the values of an object in a formatted manner.The Java test class (with a main method) will:a) Instantiate at least three objects (using each of the constructors at least once) with your program.b) Store the data from the individual objects into an array.c) Utilize…
- Create a Java Project (with a class and a test class) to represent some real-world entity such as a technology item (TV, Fan etc), an animal, a person, a vehicle, etc. In our class, we have already seen example classes such as Circle, Student, Rectangle, TV etc. The class will: a) Create a total of 5 member variables for the class by selecting the appropriate data types for each field. For example, a class to represent a lamp might include color, price, height, numBulbs, batteryOperated. Each of these 5 variables needs a data type. b) Include at least three different constructor methods, including the default constructor (no argument constructor), so totally three constructors. c) Create a method called showValues( ) to display the values of an object in a formatted manner. The Java test class (with a main method) will: a) Instantiate at least three objects (using each of the constructors at least once) with your program. b) Store the data from the individual objects into an array. c)…This 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,…In number theory, a value can be categorized as a natural number (a whole number >0, often denoted ℕ), an integer (zero or a positive or negative whole number, including the natural numbers, often denoted ℤ), or a real number (which includes the natural numbers and integers, along with all other positive and negative numbers that are not integers, often denoted ℝ). a) write a definition for a number class that contains: (i) A single field suitable for storing either a natural number, or an integer, or a real number; (ii) Setter and getter methods for manipulating this field; (iii) A constructor that initializes new objects of number to have the value 1 (unity); (iv) a method that determines which kind of number is currently stored (returning 0 if the number is real and an integer and a natural number, 1 if the number is real and integer but not a natural number, and 2 if the number is real but neither an integer nor a natural number) Java code needed
- Computer Science Exercise 1 (java)– Horses .Create a class Horse containing the attributes name, color and year of birth. Implement getters and setters for the member variables Implement a constructor Create the classes (a) Racehorse and (b) Workhorse. In the case (a), you must add field a field holding the number of races won. In the case (b), add a field that contains the number of years the horse has been working. Write the appropriate getters and setters. Test your classesUsing the scenario of Object oriented programming Q1 Write a program that defines a class with a data member to holds a “serial number” for each object created from the class. That is, the first object created will be numbered 1, the second 2, and so on. To do this, you’ll need another data member that records a count of how many objects have been created so far. (This member should apply to the class as a whole; not to individual objects. What keyword specifies this?) Then, as each object is created, its constructor can examine this count member variable to determine the appropriate serial number for the new object. Add a member function that permits an object to report its own serial number. Then write a main() program that creates three objects and queries each about its serial number. They should respond I am object number 2, and so on.Create a class Student with attributes StudentName, Enrollment, semester, section, course MarksObtained and Grade. Write appropriate constructors, get and set functions for data members. The data member grade is automatically calculated based on marks obtained out of 100 for each course.
- Create a class Student that contains three members: roll no, name and mark, and threefunctions. Write a first inputStudent() function to get data of student class. Write a secondgetMark() function that returns a student’s mark. Write a third display() function thatdisplays a student’s data. In a main() function, you need to declare 40 students and get dataof all students by using inputStudent() function. And also use a pointer array to keep allstudents by mark greater than 50 and display the searching data of each student in thatpointer array (Use the access operator -> to access a pointer points to member functions ofthe Student class)Write a program that contains two classes a Main class and a Student class: • • The Student class has three data fields which are: name, GPA, and SID. It has a constructor that takes SID as a parameter. The Main class is used to declare objects from the Student class. The Main method should take student of type Student then display student ’ ’ s data from the console, store them in an object s data in the console.There are two types of data members in a class: static and non-static. Provide an example of when it might be useful to have a static data member in the actual world.