with an abstract method ‘fareCharged()’. $10, $15 and $20 are the fares charged by Bus, Auto and Cab respectively. ‘Bus’, ‘Auto’ and ‘Cab’ are subclasses of class ‘Fares’, each having a method named ‘fareCha
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Create an abstract class ‘Fares’ with an abstract method ‘fareCharged()’. $10, $15 and $20 are the
fares charged by Bus, Auto and Cab respectively. ‘Bus’, ‘Auto’ and ‘Cab’ are subclasses of class
‘Fares’, each having a method named ‘fareCharged()’ which prints the fare charged by different
vehicles. Call this method by creating an object of each of the three classes.
Expected Output:
Fare charged by Bus is $10
Fare charged by Auto is $15
Fare charged by Cab is $20
PLEASE HELP ME WITH THIS PROGRAM IN JAVA
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- Write a complete program for the description given below. Consider a Billing class that implements an interface Payable having a method getTotalPayment Amount(). Besides this, you have a Doctor class with private instance variables (docID, docName, and docFee) and a public getDoc() method, Patient class with private instance variables (pName, pID. pDisease), Medicine class with private instance variables (medID, medName, medQty, medPrice), and Medical Test class with private instance variables (testID, testName, testPrice). Each of these classes has the toString() method to display the information of its object. The Billing class is having "Has A" relationship with the other four classes (Doctor, Patient, Medicine, and MedicalTest) mentioned above. The getPayment Amount() method of Billing class returns the total billing amount that includes doc fee, medicine cost, and medical test fee that a patient has to pay. After implementing these classes, you are required to do the following in…What is an abstract class? Choose only one option.(a) An object(b) A class with no methods.(c) A class with no concrete subclasses.(d) A class with at least one undefined message.(e) An interface.Create a base class with an abstract print( ) method that isoverridden in a derived class. The overridden version of themethod prints the value of an int variable defined in the derivedclass. At the point of definition of this variable, give it a nonzerovalue. In the base-class constructor, call this method. In main( ),create an object of the derived type, and then call its print( )method. Explain the results. (JAVA) Also provide clear output screenshots please
- a) Implement a class Point with three attributes, x, y, and z.b) Implement an init method with an optional parameter type: 1) Set the default value of x, y, and z to 0.c) Implement a display method to print the values of x, y, and z as the example output below.d) Instantiate two objects of type Point, one with arguments,1, 2, and 3, and the other one without any arguments.e) Call display() to print x, y, and z. Example Output(x, y, z): (1, 2, 3)(x, y, z) : (0, 0, 0)Consider a class BankAccount that has • Two attributes i.e. accountID and balance and• A function named balanceInquiry() to get information about the current amount in the account Derive two classes from the BankAccount class i.e. CurrentAccount and the SavingsAccount. Both classes (CurrentAccount and SavingsAccount) inherit all attributes/behaviors from the BankAccount class. In addition, followings are required to be the part of both classes• Appropriate constructors to initialize data fields of base class• A function named amountWithdrawn(amount) to withdraw certain amount while taken into account the following conditionso While withdrawing from current account, the minimum balance should not decrease Rs. 5000o While withdrawing from savings account, the minimum balance should not decrease Rs. 10,000• amountDeposit(amount) to deposit amount in the accountIn the main() function, create instances of derived classes (i.e. CurrentAccount and SavingsAccount) and invoke their respective…Write a java program that has:A class University that has:- Three private instance variables named firstName, lastName, and id- A constructor to initialize the three instance variables- A toString method to return: “Welcome,” + firstName +” “ + lastName + “Your ID is ” + id- AccessorsA subclass Employee that has:- Five additional private instance variables named department, rate, bonus, hours, and salary- An appropriate constructor to use constructor of superclass in defining those of the subclass- A method named compteSalary ( ) to return salary- A method named computeBonus ( ) to return bonus- Accessors A subclass Staff that:- Overrides computeBonus ( ) such that if hours are greater than 40, there will be %10 bonus for each additional houradded to salary- Overrides compteSalary ( ) such that salary = (rate * hours) + bonus- Overrides toString method to add department and salary into the outputA subclass Faculty that:- Overrides computeBonus ( ) such that if hours are greater than…
- Write a class named Person with data attributes for a person’s name, address, and telephonenumber. Next, write a class named Customer that is a subclass of the Person class. TheCustomer class should have a data attribute for a customer number, and a Boolean data attributeindicating whether the customer wishes to be on a mailing list. Demonstrate an instance of theCustomer class in a simple program.Consider the above scenario, where Billing class has composition relationship with Doctor having private instance variables (docName, docID and docFee) and a public getDocID() method, Patient having private instance variables (pName, pID, pDisease), Medicine having private instance variables (medID, medName, medQty, medPrice), and MedicalTest having private instance variables (testID, testName, testPrice). In addition, each class shall have toString method to display its object state. Also define getDocInfo method in Billing class that shall return the doctor. Implement getPaymentAmount() method in Billing class that shall return the total billing amount that includes doctor fee, medicine cost and medical tests fee. Considering the above scenario, write code that shall perform the following in the driver/test class: Get an amount from user. Traverse the ArrayList<Billing> using enhanced for loop. Print the billing details of those bills having total billing amount greater or…For a parking management system, use the Observer pattern to implement this interaction using Java and implement the three classes mentioned below. Implement a ParkingObserver that has the role of the Observer. The Observable classes (Subjects) will be the ParkingLots. It would be helpful if the notify method in the subjects (and update method in the observers) took a parameter, perhaps an object of type ParkingEvent, which could have fields including the lot, timeIn, timeOut (if relevant), and permit. The ParkingObserver should register with each ParkingLot and receive the messages. Once a car enters (in an entry-scan only lot) or leaves (in an entry-scan and exit-scan lot), then the ParkingObserver will be updated, and then can register the charge with the parking system via the TransactionManager’s park() method. Based on these requirements you should implement three actor classes in this interaction using java: TransactionManager, ParkingObserver and ParkingLot. 1. The…
- Q# Which of the following might have only method signatures? Group of answer choices 1. An interface 2. An abstract class and a concrete class 3. An abstract class 4. An interface and an abstract class 5. None of these, they all require the implementation. 6. A concrete classThe Doctor program described in Chapter 5 combines the data model of a doctor and the operations for handling user interaction. Restructure this program according to the model/view pattern so that these areas of responsibility are assigned to separate sets of classes. The program should include a Doctor class with an interface that allows one to obtain a greeting, a signoff message, and a reply to a patient’s string. To implement the greeting, define a method named greeting for the Doctor class. To implement the signoff message, define a method named farewell for the Doctor class. Both greeting and farewell should return a string with a greeting or farewell message respectively. The reply function is defined for you, it should be added as a method for the Doctor class. The rest of the program, in a separate main program module, handles the user’s interactions with the Doctor object. Develop this program with a terminal-based user interface. Note: The program should output in the…Assume B is a subclass of A. Which of the statements about the following assignment is false? A a = new B(); We can assign anything to variable a that has a subtype of B. We can call on a any method defined in A. We can call on a any method defined in B. We can assign anything to variable a that has a subtype of A.
