Create an object called Teacher. Declare the following variables for the object string f_name, string subject, int age and int room_no.
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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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- Create a object called Teacher. Declare the following variables for the object: string f_name, string subject, int age and int room_no. Include in the object a default constructor and a parameterised constructor. The parameterised constructor has the following parameters (name and age). Create your main class Teaching. The reference variable for the default constructor is T1 and for the parameterised constructor is T2. Pass the following values for the T1 reference to the default constructor: f_name = John subject = Science age = 35 room_no = 10 Pass the following variable using the T2 reference to the parameterised constructor: name = Smith age = 45 Program must include System.out statements to display the output.Write a class named Car that has the following member variables:yearModel. An int that holds the car’s year model.make. A string that holds the make of the car.speed. An int that holds the car’s current speed. In addition, the class should have the following constructor and other member functions. Constructor. The constructor should accept the car’s year model and make as arguments. These values should be assigned to the object’s yearModel and make member variables. The constructor should also assign 0 to the speed member variables. Accessor. Appropriate accessor functions to get the values stored in an object’s yearModel, make, and speed member variables. accelerate. The accelerate function should add 5 to the speed member variable each time it is called.brake. The brake function should subtract 5 from the speed member variable each time it is called. Demonstrate the class in a program that creates a Car object, and then calls the accelerate function five times. After each call to the…1. Part 1: A point in the x-y plane is represented by its x-coordinate and y-coordinate. Design the class Point that can store and process a point in the x-y plane. Your class should contains the following methods. Default constructor without parameters that initializes the private data member to the suitable values Constructor with parameters sets the values of the instance variables to the values of the parameter. Accessor methods that return the values of the x-axis and y-axis. setPoint method which set the values of x-axis and y-axis makeCopy method that make a copy of a received object of type Point. getCopy method that returns a copy of the current object toString method that returns the object string isEqual that returns true if the current object is equal to the received object of type point distance, which receives two objects of type Point and returns the distance
- Create an object called Teacher. Declare the following variables for the object: string f_name, string subject, int age and introom_no.Include in the object a default constructor and a parameterized constructor. The parameterized constructor has the followingparameters (name and age).Create your main class called Teaching. The reference variable for the default constructor is T1 and for the parameterizedconstructor is T2.Pass the following values for the T1 reference to the default constructor:Design a class called Date that has integer data members to store month , day, and year. The class should have two constructors; a default constructor that accepts no parameters, and a three-parameter constructor that allows the date to be set by the programmer. If the user creates a Date object without passing any arguments, or if any of the values passed are invalid, the default values of 1, 1, 2001 (i.e., January 1, 2001) should be used. The class should have three (3) member functions to print the date in the following formats: 3/15/16 March 15, 2016 15 March 2016 Demonstrate the class by writing a program that uses it. Be sure your program only accepts reasonable values for month and day. The month should be between 1 and 12. The day should be between 1 and the number of days in the selected month. I expect to see all uses of the constructors that you made, including the error checking. I also expect to see all uses of the 3 output functions in your program. You are responsible…Create a class called Rational to be able to perform arithmetic operations with fractions. testing your class and Write a program that presents a menu to the user to perform the desired action. User enters -1 value You can trade as much as you want. Use integer variables to represent the private data members (numerator and denominator) of the class. to this class Write a constructor function that initializes an object of the property as soon as it is declared. Constructive the function must contain default values for cases where no initial values are given and use the fractional number should store it in reduced form (i.e. the fraction 2/4 should be reduced to 1 for the numerator and 2 for the denominator). Provide public member functions for each of the following: ‐ The sum of two fractions - Subtraction of two fractions ‐ Multiplication of two fractions ‐ The division of two fractions In all of the above functions, results must be stored in a reduced form. Also, write the…
- Write a class named Car that has the following member variables: yearModel: An int that holds the car’s year model. name: A string that holds the name of the car. company: A string that holds the company of the car. speed: An int that holds the car’s current speed. In addition, the class should have the following member functions. Mutator: Appropriate accessor functions to set the values of object’s yearModel, name, company, and speed member variables. Accessor: Appropriate accessor functions to get the values stored in an object’s yearModel, company, and speed member variables. Accelerate: The accelerate function should add 5 to the speed member variable each time it is called. Brake: The brake function should subtract 5 from the speed member variable each time it is called. Demonstrate the class in a program that creates a Car object, call the setter functions to set the values and then call the accelerate function five times. After each call to the accelerate function, get…The reference this can be used to refer to an object or to invoke another constructor of the same class. True FalseWrite a class named Employee that has the following member variables: name. A string that holds the employee’s name.idNumber. An int variable that holds the employee’s ID number.department. A string that holds the name of the department where the employee works.position. A string that holds the employee’s job title. The class should have the following constructors: A constructor that accepts the following values as arguments and assigns them to the appropriate member variables: employee’s name, employee’s ID number, department, and position. A constructor that accepts the following values as arguments and assigns them to the appropriate member variables: employee’s name and ID number. The department and position fields should be assigned an empty string (""). A default constructor that assigns empty strings ("") to the name, department, and position member variables, and 0 to the idNumber member variable. Write appropriate mutator functions that store values in these member variables…
- Create a constructor named Exam that assigns "Good luck" to a previously declared String variable named message. Create an empty overloaded constructor for the Exam class with two (2) String parameters named period and level. Declare a double-type accessor named getPrice that returns the value of price. Declare a boolean-type accessor named isFinished that returns the value of status. Declare a class named Midterm that inherits from the class named Exam. Create three (3) class declarations to show multiple levels of inheritance. Use the classes named Exam, Midterm, and Essay. Create a constructor named Midterm that prints "Exam has started." using println(). Its first statement should be a call to a constructor in the parent class. Given the base class named Quiz and the derived class named Essay, write a statement to show inheritance between these classes.Design a Ship class that has the following members:a. A field for the name of the ship (a string).b. A field for the year that the ship was built (a string).c. A constructor and appropriate accessors and mutators.d. A toString method that displays the ship's name and the year it was built.Design a CruiseShip class that extends the Ship class. The CruiseShip class should have the following members:a. A field for the maximum number of passengers (an int).b. A constructor and appropriate accessors and mutators.c. A toString method that overrides the toString method in the base class. The CruiseShip class's toString method should display only the ship's name and the maximumnumber of passengers.Design a CargoShip class that extends the Ship class. The CargoShip class should have the following members:a. A field for the cargo capacity in tonnage (an int).b. A constructor and appropriate accessors and mutators.c. A toString method that overrides the toString method in the base class. The…1- Design a class named Rectangle to represent a Rectangle. The class contains: • three variables integer data field named height, integer data filed named width and integer data filed named length. The default values are 1 for height, length, and width are 1.0 for each of them respectively. • A no-arg constructor that creates a default Rectangle. • A constructor that creates a Rectangle with the specified height, length and width. • A method named getVolume() that returns the volume of this Rectangle. (Volume = height * width * length) %3! 2- Write a test program called Test Rectangle that: • Creates two Rectangle objects: one object with height 11, length 5, and width 7, the other object with height 10, length 2 and width 6 • Display the volume of each Rectangle object.