Write Rectangle class to represent a rectangle. The class contains: a. Two double data fields named width and height that specify the width and height of the rectangle. The default values are 1 for both width and height. b. A no-arg constructor that creates a default rectangle. c. A constructor that creates a rectangle with the specified width and height. d. A method named getArea() that returns the area of this rectangle. e. A method named getPerimeter() that returns the perimeter. in Java
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Write Rectangle class to represent a rectangle. The class contains:
a. Two double data fields named width and height that specify the width and height of
the rectangle. The default values are 1 for both width and height.
b. A no-arg constructor that creates a default rectangle.
c. A constructor that creates a rectangle with the specified width and height.
d. A method named getArea() that returns the area of this rectangle.
e. A method named getPerimeter() that returns the perimeter.
- in Java
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- I need to write a jave program to keep track of a team sport. Write a class, Team.java, that has the following: * two private instance variables: a String named color and an int named score. * a default constructor with no parameters that initializes color to "Red" and score to zero. * a constructor that takes two parameters (one for each instance variable) and sets the values of the instance variables. * a public getter and setter method for each instance variable. * a toString method that returns the color and score in the following format: "Red Team with 0 points."In Public Class, create a static void method called Info_AHW that takes 3 parameters - an int and two double. When the method is called, we pass along the age (A), then the height (H), and then the weight (W), which is used inside the method to print the person's age, then the height and then the weight. NOTE: The Print out must follow the output below Afterward, in the main method, get the User input using the Scanner class to get the three input - the int age, the double height and the double weight. Then, call your Info_AHW method and pass your arguments (age, height, weight) into that method. Hint: When getting the int input, use -> sc.nextInt(); When getting the double input, use -> nextDouble(); Input: 5 65.5 70.2 Output: Your age is 5 ; your height is 65.5 ; and your weight is 70.2 Note: -There is a single space between every word and semicolon -There is no space at the endGiven the code below, write a Circle class (and save it in a file named Circle.java) that inherits from the Shape class. Include in your Circle class, a single private field double radius. Also include a method void setRadius(double r) (which also sets area) and a method double getRadius() (which also returns the current radius). Change the accessibility modifier for area in the Shape class to be more appropriate for a base class. Make sure that ShapeDriver's main() method executes and produces the following output: Shape: area: 78.53981633974483 radius: 5.0
- In Java, Use the Phone class as a baseline, and write a method isUSA. It should return true if the country code is 1 and false otherwise. Also expanding the Phone class, write a method that determines the location of an area code. It should return the name of the area code's city. For example, if cc = 1 and area code = 510 East Bay Area, 650 SF Peninsula, 415 San Francisco, 408 South Bay Area. For this assignment, use literal strings as return values.I need help! Modify the class named FormLetterWriter that includes two overloaded methods named displaySalutation(). The first method takes one String parameter that represents a customer’s last name, and it displays the salutation Dear Mr. or Ms. followed by the last name. The second method accepts two String parameters that represent a first and last name, and it displays the greeting Dear followed by the first name, a space, and the last name. After each salutation, display the rest of a short business letter using the displayLetter method: Thank you for your recent order. public class FormLetterWriter {public static void main(String[] args) {displaySalutation("Kelly");displayLetter();displaySalutation("Christy", "Johnson");displayLetter();} public static void displaySalutation(String lastName) {// Write your code here} public static void displaySalutation(String firstName, String lastName) {// Write your code here}public static void displayLetter() {// Write your code here}}Please in pyth coding with correct indentation 4a) Given that you have a Liquid class that can be initialized with any amount of gallons, liters, ounces, etc, write the first line of the method that will allow you to add together two Liquid objects using operator overloading. Again, write ONLY the first line (method definition) – you do NOT have to write the entire method. 4b) Given that you have L1 and L2 which are instances of the Liquid class, write a line of code that uses operator overloading to add them together and assign the result to L3.
- in java, Write a class that represents a student. Every student has a name, an id number, a number of credits, and a number of grade points. Also, include in your class a default constructor, a second constructor with all parameters, an accessor method (getter) for the student name, and a method called gpa that will calculate and return the student’s grade point average. (Hint: gpa = points/credits) Using the class that you just wrote, answer the following questions. Write code that will declare and initialize an object using the default constructor. Write code that will declare and initialize an object using the overloaded constructor. Write code that will retrieve and print the student’s gpa from #2.Implement a class named Rectangle to represent a rectangle using Java 1) Class name: Rectangle; accessibility: public 2) The class contains: Two private double data fields named width and height that specify the width and height of the rectangle. 3) A no-arg constructor that creates a default rectangle: data fields are 1 for both width and height. 4) A constructor that creates a rectangle with the specified width and height. 5) A public method named setWidth that sets the value of width 6) A public method named getWidth that returns the value of width 7) A public method named setHeight that sets the value of height 8) A public method named getHeight that returns the value of height 9) A public method named getPerimeter() that returns the perimeter. 10) A public method named getArea() that returns the area of this rectangle. 11) Draw the UML class diagram 12) Write a test file that creates two Rectangle objects: one with width 4 and height 40 and the other with width 3.5 and…For this lab task, you will work with classes and objects. Create a class named text that works similar to the built-in string class. You will need to define a constructor that can be used to initialize objects of this new class with some literal text. Next, define three methods: to_upper() that will convert all characters to uppercase, reverse() that will reverse the text and length() that will return the length of the text. After you have completed this part, copy the following mainfunction to your code and check if the implementation is correct. int main() { text sample = "This is a sample text"; cout << sample.to_upper(); // This should display "THIS IS A SAMPLE TEXT" cout << endl;cout << sample.reverse(); // This should display "txet elpmas a si sihT"cout << endl; cout << sample.length(); // This should display 21 }
- I need help putting this java code into something I can copy/paste. Given the code below, write a Circle class (and save it in a file named Circle.java) that inherits from the Shape class. Include in your Circle class, a single private field double radius. Also include a method void setRadius(double r) (which also sets area) and a method double getRadius() (which also returns the current radius). Change the accessibility modifier for area in the Shape class to be more appropriate for a base class. Make sure that ShapeDriver's main() method executes and produces the following output: Shape: area: 78.53981633974483 radius: 5.0 I also have my code that I worked on as a picture as well. Thanks in advance!box1 and box2 are instances of the Box class. Attributes length, width, and height of both box1 and box2 are read from input. Then, two strings are read from input. In the Box class, define instance method print_measurements() with self and one string as parameters to output the string parameter in one line, and the following in the next line: The value of attribute length ' by ' The value of attribute width ' by ' The value of attribute heightWrite a class called Investment with fields called principal and interest. The constructor should set the values of those fields. There should be a method called value_after that returns the value of the investment after n years. The formula for this is p(1+i)ⁿ, where p is the principal, and i is the interest rate.