1. Define a Class: Circle Circle - radius: double + Circle() +Circle(double r) +setradius(double r): void +getradius() : double +calculateArea(): double +calculateCircumference: double 2. Use a Circle instance (object) in a main() method Program.

Q: java

A: GIVEN:

Q: Temp Class - Create Temp class whos job is to hold a temp in degrees F and gives methods to get the…

A: Actually, Java is a high level  programming language. And also object oriented .It. Is a platform…

Q: Study the following class interface for the class Aeroplane: class AeroPlane { public: void…

A: The `AeroPlane` class is designed to model essential characteristics of an airplane, namely its…

Q: 1. A polynomial can be represented as a linked list, where each node called a polyNode contains the…

A: [ Note : As per our policy guidelines, in case of multiple different questions, we are allowed to…

Q: package pkl public class Parent{ private String name; int id; public double fees private void…

A: We need to check the above code. And write the explanation of which option are correct so we will…

Q: Code:   interface Bicycle{ //interface for bicycle     void changeGear(int val); //abstract…

A: Solution is given below-

Q: Description: Create a class named ComparableDog that extends Animal and implements Comparable…

A: Find the required code in java given as below and output :

Q: e T1 name; e T2 stulD; е Т3 CGPA; void setStuD:

A: Ans- public void setStuData(String n,int d,double g)          System.out.println(name+" "+stuID+"…

Q: The base class Pet has protected fields petName, and petAge. The derived class Cat extends the Pet…

A: The main() method of a program that makes instances of the Pet and Cat classes and prints their…

Q: // Implement method getTotalCost to return the totalCost. // Your code here... // Implement method…

A: Define the class named ShoppingCart. Declare the data fields as customerName, numItems and…

Q: Select the signature for a helper method that calculates the student's GPA. public class Student {…

A:

Q: 1 - Student class Make a class student (in student.py) that stores the following information for a…

A: As per our guidelines, we are supposed to answer only 1st three parts. Kindly repost the remaining…

Q: Task 1: Write an abstract class Method +: public -: private #:protected Underline: static # input:…

A: SOLUTION - In this class given the 'method' method is declared as static and input will be an…

Q: Create a class namely Circle and do the following: (i) Circle will have the following member…

A: The program is written in java

Q: Code a copy method for an Inventory class. The fields are itemNo and itemName. //Method header. {…

A: Inventory copy(int itemNo,String itemName){ Inventory copyObject = new Inventory(itemNo,itemName);…

Q: Task 2: Write a class ReadMethod that extends the Method class. +: public -: private #: protected…

A: abstract class Method {    // declaration of variables    protected int input;    protected String…

Q: Define class Shape, 2DShape and 3DShape as per UML class diagram given. Define all mutator…

A: public class Shape{    //declaring instance variables    private double length;    private double…

Q: 3. Import Class a) Import pi only from math module. b) Implement a class Circle with an attribute,…

A: code is in next step:

Q: Example in Java Write and use classes with instance variables and their getters…

A: import java.util.Objects; public class Car {    // Instance variables    private String make;…

Q: class Vehicle { protected String brand = "Ford"; public void honk() { System.out.println("Tuut,…

A: The inheritance can be denoted as an important part of the object oriented programming concept. It…

Q: Python

A: Answer to the above question related to object oriented programming are in step 2.

Q: True or False An interface can contain only abstract methods and constants.

A: solution:True

Q: Assume an Animal class defines a public eat method and a Dog class derived from the Animal class…

A: Two classes are given : Animal class  and a Dog class derived from the Animal class Animal[] animals…

Q: bublic class Čircle { private double radius;

A: Circumference of circle =2 * 3.14 * radius Area of circle = 3.14 * radius * radius