Modify the Firm example such that it accomplishes its polymorphism using an interface called Payable.  I got an error (attached image). How can I solve it?   Firm.java: public class Firm { //----------------------------------------------------------------- // Creates a staff of employees for a firm and pays them. //-----------------------------------------------------------------     public static void main (String[] args)     {         Staff personnel = new Staff();         personnel.payday();     } }   Clark.java: public class Clark implements Payable {    public static void main (String[] args)    {       public void wages()；        {        System.out.println("Wages can be paid to the clerks");       }    } }   Payable.java: public interface Payable {    public void wages();

Q: public interface Rational { /** * Determines whether this Rational object represents a value less…

A: I give the code in Java along with output and code screenshot

Q: How do you define an interface and how do you use it in Java. what happens if an abstract class…

A: An interface is like a blueprint of a class. It consists of static variables and abstract methods.…

Q: Polymorphism in Java In the class “Phone”, there is a method call() which in default prints…

A: Please refer to the following steps for the complete solution to the problem above.

Q: Write a Hamster class that is a subclass of Pet. Include: an additional attributes called…

A: A class is a group of objects which have common properties.  A constructor is a method that is used…

Q: Write the following code in java, replit:   A bishop in chess can move as far as it likes in a…

A: Algorithm:Define classes Piece, Bishop, Rook, and Board.Implement Piece with symbol and position…

Q: Write a Java class Person for dealing with persons. Your class must have the following features:…

A: As per the requirement person class is developed. Note: As per our guidelines we are suppose to…

Q: 4. Create an interface Wheel with methods setWheels (int c) and getWheels () and a class Vehicle…

A: Solution:   Given,

Q: Inheritance in Java Instructions: Construct a class called “Rectangle”. A “Rectangle” has both…

A: Answer the above program are as follows

Q: Write a code for the tracking problem: Consider a tracking program that will track four types of…

A: I have preffered using java language.

Q: Write a Java class Person for dealing with persons. Your class must have the following features:…

A: class Person{    long person_id;    String name,gender;        //default constructor    Person(){…

Q: Implement the concept of polymorphism using interfaces in Java. • Create an interface class named…

A: Algorithm: Start Create an interface named Shape with draw() as its method Create a class named…

Q: Write a java code that: a) Creates an abstract method in a superclass, then overrides it in a…

A: a)  abstract class Animal {   abstract void makeSound();     public void eat() {…

Q: 28 public static void main(String[] args) { // TODO: Create 3 bicycle objects (redBicycle,…

A: import java.util.*; public class BicycleManufacturer {     private static int cycleManufactured =…

Q: Java code object Oriented; How to write a code of instance method type void with parameter of…

A: Since nothing is mentioned about Component class and array of Component objects, I am making…

Q: Implement the below UML diagram into Java code Note that Employee is an Abstract class and have…

A: Solution:   Given,

Q: Create an interface Wheel with methods setWheels (int c) and getWheels () and a class Vehicle with…

A: Create an interface Wheel with methods setWheels (int c) and getWheels () and a class Vehicle with…

Q: Below is code that defines a Quadrilateral class (a shape with four sides), which has four floating…

A: The solution is given in the next step

Q: Write a class for a Cow that implements your interface. The cow’s type can be “cow” and its sound…

A: I created a interface name of the interface is animal and a class which implements the interface…

Q: . Exercise # 2: Implement a class Portfolio. This class has two objects, checking and saving, of the…

A: Here is the detailed and simplified python code for the above listed problem statement:

Q: s that will extend the given Animal class and optionally implement a leg count interface. (Image…

A: Given : Animal.java abstract class Animal { String FUR="fur"; String FEATHER = "feather"; String…

Q: Car industry is producing 3 types of cars: Disel, Petrol and LPG. In the Java programming language,…

A: public class Main{ public static void main(String[] args)  {  Petrol p=new Petrol();      //create…

Q: Write a Java program to perform the following task: First define an Employee class which includes…

A: The answer is given below:-

Q: In the following code: public interface Lambdas extends Shape{ void print0; void printOdds(int n);…

A: Java interfaces cannot extend classes, which makes sense since classes contain implementation…

Q: LockADT – Show the interface and all abstract methods LockDataStructureClass – Show the following…

A: In this question we have to write a java program with the class and interface1. LockADT 2.…

Q: Can you complete? public class Student { // TODO: Build Student class with private fields and…

A: Algorithm :  Step 1 : define the class Student. Step 2 : declare private data members. default…

Q: Java program: 1. Write a PaypalAccount class to include both balance and accountID as the instance…

A: Java is a programming language originally developed by James Gosling at Sun Microsystems (which is…

Q: Given the following code, which statement is true? class Water() { ... } class Juice() extends Water…

A: Answer: The correct answer is  A) ApplePie is a composite class that contains an instance of Apple…

Q: please help me with this error problem in java:

A: Introduction: The question is about a Java program that aims to create a payroll system. The program…

Q: How to fix error: LocalResource.java:194: error: constructor LocalResource in class LocalResource…

A: The error message is indicating that the constructor LocalResource(String, String) is not accepting…

Q: Need help developing the following in Java: Create an abstract class "Shape" with the following…

A: Define an abstract class named "Shape".Declare two abstract methods in the "Shape"…

Q: Java program: 1. Write a PaypalAccount class to include both balance and accountID as the instance…

A: Actually, Java is a programming language originally developed by James Gosling at Sun Microsystems…

Q: Your task is to implement the following TouchNGo class. It is a subclass of DigitalWallet. The…

A: In this question we have to write a JAVA Program in which we have to write a class for TouchNGo…

Q: Polymorphism in Java is Select one: a.when a program uses several different types of objects, each…

A: I have provided solution in step2.

Q: > Shape -color:String +Shape() +getColor ():String +setColor (color:String):void +getArea():double…

A: An abstract class is a class that is declared abstract and can have abstract or non-abstract…

Q: only in java not in java c++ 1. Define an interface named Shape with a single method named…

A: Given : 1. Define an interface named Shape with a single method named area that calculates the area…

Q: Fill in the missing code for the Range class below.  Upload your Range.java.   public class Range…

A: The setters and getters methods are used for encapsulation in object oriented paradigm. The…

Q: in java Re-implement the Rational class :   class Rational { private int numerator; private int…

A: You can use the provided Main class to test the functionality of the Rational class. The selectSort…

Q: 1. Create (the package) as (P1) and another as (P2). 2. Create an Interface (named Human) inside…

A: A class is the basic building block of object oriented modelling. It contains data and operations on…

Q: Design a class named QuadraticEquation for solving a quadratic equation which is of the form…

A: import java.util.Scanner; public class Main{  public static void main(String[] args) {    Scanner…

Q: Q1. The following class models a linear equation. Implement a getValue() method for the class, which…

A: Here I have given the main function for testing. Algorithm :  Step 1 : define public class Line.…

Q: tance data: Variable mpg for fuel efficiency (miles per gallon = mpg) Variable gas to save how many…

A: We need to implement the Vehicle class and Main.java as per the given requirements.

Q: Consider the Speaker interface shown below: public interface Speaker {     public void speak(); }…

A: GIVEN: Create a Java program with 2 classes Human and Dog, both will implement the Speaker…