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.
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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.
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- Design a class named CustomerRecord that holds a customer number, name, and address. Include separate methods to 'set' the value for each data field using the parameter being passed. Include separate methods to 'get' the value for each data field, i.e. "return" the field's value. Pseudocode:Create a class named Person that holds the following fields: two String objects for the person’s first and last name and a LocalDate object for the person’s birthdate. Create a class named Couple that contains two Person objects. Create a class named Wedding for a wedding planner that includes the date of the wedding, the Couple being married, and a String for the location. Provide constructors for each class that accept parameters for each field, and provide get methods for each field.For your homework assignment, build a simple application for use by a local retail store. Your program should have the following classes: Item: Represents an item a customer might buy at the store. It should have two attributes: a String for the item description and a float for the price. This class should also override the __str__ method in a nicely formatted way. Customer: Represents a customer at the store. It should have three attributes: a String for the customer's name, a Boolean for the customer's preferred status, and a list of 5 indexes to hold Item objects. Include the following methods: make_purchase: accepts a String and a double as parameters to represent the name and price of an item this customer is purchasing. Create a new Item object with this info and append it to the internal list. If the customer is a preferred customer based on the Boolean attribute's value, take 10% off the total sale price. __str__: Override this method to print the customer's name and every…
- Design a class named Rectangle to represent a rectangle. The class contains: Two double data fields named side1 and side2 that specify the width and height of the rectangle. The default values are 1 for both side1 and side2. Public set and get methods for each of the 2 data fields. A no-arg constructor that creates a default rectangle. A constructor that creates a rectangle with the specified side1 and side2. A method named getArea() that returns the area of this rectangle. A method named getPerimeter() that returns the perimeter.Design a class named Rectangle to represent a rectangle. The class contains:i. Two data fields named width and height.ii. A constructor that creates a rectangle with the specified width and height. iii. A method named getArea() that returns the area of this rectangle.CPEN 60 – OBJECT iv. A method named getPerimeter() that returns the perimeter. Write a test program that creates two Rectangle objects—one with width 4 and height 40 and the other with width 3.5 and height 35.7. Display the width, height, area, and perimeter of each rectangle in this order. python languagePython: Design a class named Rectangle to represent a rectangle. The class contains: • Two data fields named width and height. • A constructor that creates a rectangle with the specified width and height. The default values are 1 and 2 for the width and height, respectively. • A method named get.Area() that returns the area of this rectangle. • A method named getPerimeter() that returns the perimeter. Write a test program that creates two Rectangle objects--one with width 4 and height 40 and the other with width 3.5 and height 35.7. Display the width, height, area, and perimeter of each rectangle in this order.
- Design a class named Triangle that extends the GeometricObject class. The Triangle class contains:■ Three float data fields named side1, side2, and side3 to denote the threesides of the triangle.■ A constructor that creates a triangle with the specified side1, side2, andside3 with default values 1.0.■ The accessor methods for all three data fields.■ A method named getArea() that returns the area of this triangle.■ A method named getPerimeter() that returns the perimeter of this triangle.■ A method named _ _str_ _() that returns a string description for the triangle. For the formula to compute the area of a triangle, see Exercise 2.14. The_ _str_ _() method is implemented as follows:return "Triangle: side1 = " + str(side1) + " side2 = " +str(side2) + " side3 = " + str(side3)Draw the UML diagrams for the classes Triangle and GeometricObject.Implement the Triangle class. Write a test program that prompts the user to enter the three sides of the triangle, a color, and 1 or 0 to indicate…a. Write a FractionDemo program that instantiates several Fraction objects and demonstrates that their methods work correctly. Create a Fraction class with fields that hold a whole number, a numerator, and a denominator. In addition: Create properties for each field. The set access or for the denominator should not allow a 0 value; the value defaults to 1. Add three constructors. One takes three parameters for a whole number, numerator, and denominator. Another accepts two parameters for the numerator and denominator; when this constructor is used, the whole number value is 0. The last constructor is parameterless; it sets the whole number and numerator to 0 and the denominator to 1. (After construction, Fractions do not have to be reduced to proper form. For example, even though 3/9 could be reduced to 1/3, your constructors do not have to perform this task.) Add a Reduce() method that reduces a Fraction if it is in improper form. For example, 2/4 should be reduced to 1/2. Add an operator+() method that adds two Fractions. To add two fractions, first eliminate any whole number part of the value. For example, 2 1/4 becomes 9/4 and 1 3/5 becomes 8/5. Find a common denominator and convert the fractions to it. For example, when adding 9/4 and 8/5, you can convert them to 45/20 and 32/20. Then you can add the numerators, giving 77/20. Finally, call the Reduce() method to reduce the result, restoring any whole number value so the fractional part of the number is less than 1. For example, 77/20 becomes 3 17/20. Include a function that returns a string that contains a Fraction in the usual display format—the whole number, a space, the numerator, a slash (D, and a denominator. When the whole number is 0, just the Fraction part of the value should be displayed (for example, 1/2 instead of 0 1/2). If the numerator is 0, just the whole number should be displayed (for example, 2 instead of 2 0/3). b. Add an operator*() method to the Fraction class created in Exercise 11a so that it correctly multiplies two Fractions. The result should be in proper, reduced format. Demonstrate that the method works correctly in a program named FractionDemo2. c. Write a program named FractionDem03 that includes an array of four Fractions. Prompt the user for values for each. Display every possible combination of addition results and every possible combination of multiplication results for each Fraction pair (that is, each type will have 16 results).Create an Object class and a test class to accomplish the following: Write a convertToMetric class that has the following field: standard - holds a double, standard length value in feet. The class should have the following methods: Constructor - that accepts a length in feet (as a double) and stores it in the standard field. setStandard - accepts a standard length in feet and stores it in standard. getStandard - returns the value of the standard field, as a length in feet, no conversion required. getMeters - returns the value of the standard field converted to meters. getCentimeters - returns the value of the standard field converted to centimeters A second class will be created and used to test the new object class. This, executable class, is to instantiate an object of 'convertToMetric' type. Then it will allow the user to use keyboard input to input a value for standard. That value will then be converted to meters and centimeters, and displayed. Make sure that your output (or…
- Create an Object class and a test class to accomplish the following: Write a convertToMetric class that has the following field: standard - holds a double, standard length value in feet. The class should have the following methods: Constructor - that accepts a length in feet (as a double) and stores it in the standard field. setStandard - accepts a standard length in feet and stores it in standard. getStandard - returns the value of the standard field, as a length in feet, no conversion required. getMeters - returns the value of the standard field converted to meters. getCentimeters - returns the value of the standard field converted to centimeters A second class will be created and used to test the new object class. This, executable class, is to instantiate an object of 'convertToMetric' type. Then it will allow the user to use keyboard input to input a value for standard. That value will then be converted to meters and centimeters, and displayed. Make sure that your output (or…mau Open Leathing inta... - The class has data members that can hold the name of your cube, length of one of the sides and the color of your cube. - The class has a constructor that accepts the name, length of one of the sides, and color as arguments and sets the data members to those values. - The class has the following methods to set the corresponding data member. setName(string newName) setSide(double newSide) setColor(string newColor) - The class has a method called getVolume() that returns the volume of the cube, calculated by cubing the length of the side. - The class has a method called volumelncrease(double newVolume) that receive the percent the volume should increase, and then the side to the corresponding value. i - For example, 2.5 indicates 2.5% increasing of the volume. So you take the current volume, increase it by 2.5%, and then find the cube root to calculate the new side length. You can use the built in function called cbrt, part of the math library, to find the cube…1. Design a class named Square to represent a square. The class contains: One double data field named side that specify the side's length of the square. The default value is 1 for side's length. A no-arg constructor that creates a default square. A constructor that creates a square with the specified side's length. A method named getAreal) that returns the area of this square. A method named getPerimeter() that returns the perimeter of this square. 2. Draw the UML diagram for the class and then implement the class. For more details about UML diagrams see the "UMLNotation.pdf" by Y. Daniel Liang, located in LabFiles folder. Discuss: Should the class Square have a main method? Use lab_02 as the name of this Java Application project. 3. Write a test program called TestSquare that: Creates two Square objects: one object with side's length 5 and the other object with side's length 5.75. Display the side's length, area, and perimeter of each square object in this order.