Write a program to find the area of the rectangle using class and objects Sep 4, 2024 · Java program to find the area of rectangle and circle using class and object: Below is the full approach to calculate the area of the rectangle with the given length and breadth using classes in Python. 14159265358979323846 * radius * radius Area of a triangle = (1/2) * base * height Area of a square = side * side Area of a rectangle = length * breadth Approach: To solve the problem, follow the below idea: The approach is to use Switch-case to make different cases for different choices. Learn what the perimeter of a rectangle is, its formula, and applications. In this tutorial you will learn How to write a Python Program to find the area and perimeter of a rectangle using width and length in Python Programming Lang Apr 28, 2025 · Write a Java program to extend the Shape interface by adding a getPerimeter () method and implement it in Rectangle, Circle, and Triangle classes. Each subclass overrides the calculateArea () method to calculate and return the area of the respective shape. In the main program, create Rectangle objects, set their dimensions, and print the results. To better understand this example, make sure you have knowledge of the following tutorials:- Jul 9, 2025 · Explore object-oriented programming (OOP) in Python by creating a shape class that provides methods to calculate area and perimeter. 5 and height 35. Q. Following program is displaying the work of overloaded constructors. Implement subclasses for circle, triangle, and square, each with its own area and perimeter calculation logic. In a rectangle all four sides are not of equal length like squares, sides opposite to each other have equal length. In a rectangle all four sides are not of equal length like a square, sides opposite to each other have equal length and both the diagonals of the rectangle have equal length. It has methods that calculate the perimeter and the area of the rectangle. The Area class has two private variables length and breadth, and three public member functions GetLength (), Calculation (), and Display (). A class has all the characteristics of an object and objects has values for those characteristics. Based on the plan we can create a number of houses. To handle this task, we can create three variables, say, length, breadth, and height, along with the functions calculate_area() and calculate_volume(). 9. #include<iostream>. Answer: Constructors have same name of the class but with number of arguments. Write a C++ program that demonstrates polymorphism by storing pointers to different Shape-derived objects in a vector and iterating to call area and perimeter functions. I wrote code so far but there seem to be errors I can't detect. The input function is supposed to be inside class. , radius for a circle, length and width for a rectangle, base and height for a triangle), and call their calculateArea () methods to calculate and display their areas. If we know the width and height, we can calculate the area of a rectangle using the formula: Area = Width * Height. May 17, 2025 · Java Object Oriented Programming - Create a class called Shape with abstract methods for calculating area and perimeter, and subclasses for Rectangle, Circle, and Triangle. Example of an Rectangle class instance and its calculated area and perimeter. However, in C++, rather than creating Sep 24, 2020 · Develop a Java application that will sue the class Rectangle and create two rectangle objects using constructors. Sep 4, 2022 · In the main () function, we are creating objects of these base classes C of class Circle, R of class Rectangle and S of class Square, then initialize some float variables to store area’s of particular shapes and then calling functions to perform operations like to input attributes and to calculate the area of the shapes. Constructors can be overloaded. Here is the source code of the Java Program to Create a Simple Class to Find out the Area and Perimeter of Rectangle. Python Program to Find the Area of a… Feb 23, 2023 · A rectangle is a flat figure in a plane. Show that you understand the manipulation of the rectangle objects using set and get method, printing the area, and perimeter of the rectangle etc. Write a C++ program to calculate the area of triangle, rectangle and circle using constructor overloading. By defining a base class 'Shape' and derived classes 'Circle', 'Rectangle', and 'Square', each shape can override a base class function to compute its own area. Suppose we need to store the length, breadth, and height of a rectangular room and calculate its area and volume. One of the advantage of UPCASTING is we can achieve Dynamic Method Dispatch or Dynamic Polymorphism which is very much necessary in writing complex applications having complex class hierarchies. It has four sides and four right-angles. Oct 13, 2025 · Java program to calculate the area of a rectangle. Finally, we print the result, which in this example is 10. The project has these given constraints: The purpose of this lab is t 5. Discover member functions to calculate the area and perimeter of the rectangle. A constructor is used to initialize these variables when a new Rectangle object is created. Output: The area of the rectangle with the given sides 31 , 19 = 589 2)Using Classes (User Input separated by spaces) Approach: Scan the given length and breadth as user input using a map, int, and split () functions and store them in two variables. The class has attributes length and width, each of which defaults to 1. Write a Java program to design a Shape interface with getArea () and getVolume () methods, then implement these in both 2D and 3D shape classes. May 17, 2025 · Java Object Oriented Programming - Create a class called Rectangle with width and height attributes, calculates the area and perimeter of the rectangle, and demonstrates how to access and modify object attributes using getter and setter methods in Java. In your main program, create objects of each shape type, set their respective dimensions (e. Aug 16, 2025 · Learn C++ object-oriented programming by creating a Rectangle class with private member variables for length and width. Following this approach will allow you to successfully complete the lab assignment. Write a Java program where the "Rectangle" class includes a method to check if two rectangles are equal. Below are the online compiler and execution tool Apr 24, 2023 · Write a program to print the area of two rectangles having sides (4,5) and (5,8) respectively by creating a class named ‘Rectangle’ with a method named ‘Area’ which returns the area and length and breadth passed as parameters to its constructor. It has four sides and four equal angles of 90 degrees each. See full list on codevscolor. Examples: Input: 4 5 Output: Area = 20 Perimeter = 18 Input: 2 3 Output: Area = 6 Perimeter = 10 Formulae : Area of rectangle a. Dec 31, 2016 · Objects are instances of class, which holds the data variables declared in class and the member functions work on these class objects. We'll define a class called Rectangle with methods to set the dimensions of the rectangle and calculate its area. (Take ∏=3. Method overloading allows different methods to have the same name, but different signatures where the signature can differ by the * * * * Draw the UML diagram for the class and then implement the class. Explore a Java program to calculate the area and perimeter of a rectangle using the class concept. Apr 24, 2020 · In this program, You will learn how to find the area of a rectangle using class and object in C++ #algorithm #c ++ #programming #programminglife #computerscience #object #computerprogrammer # Jul 10, 2025 · Learn how to create a JavaScript class called Rectangle with properties for width and height, and methods to calculate the area and perimeter of a rectangle. Nov 30, 2011 · You don't need an area or perimeter variable, and a constructor accepting an area as an argument doesn't make sense (you seem to be treating your rectangle like a circle). com Explanation: We store the rectangle's length and width in two variables. Aug 8, 2025 · The class defines two private variables, length and width, to store the dimensions of a rectangle. I am creating a program in Python that will utilize object oriented programming to print the properties of a given rectangle. g. 0 and less than 20. This is a program to calculate the area of a rectangle using classes and objects in C++. The Java program is successfully compiled and run on a Windows system. Apr 22, 2019 · Q. Jul 14, 2022 · To create a rectangle class in C++, define private attributes for length and width, implement setter and getter methods, and create area and perimeter calculation methods. Objects and classes are used to wrap related functions and data in one place in C++. I have been tasked to calculate the area and perimeter of a rectangle using class. Nov 18, 2024 · In this Python program, we will create a class to calculate the area of a rectangle. Then we multiply them (length * width) to get the area. Jun 7, 2022 · Output: Calculate Shape Area Enter the name of shape whose area you want to find: rectangle Enter rectangle's length: 10 Enter rectangle's breadth: 15 The area of rectangle is 150. A class is a blueprint for creating a number of objects where objects are the real world entities like car, bike, pen etc. The set methods should verify that length and width are each floating-point numbers larger than 0. There are maybe so many methods in order to write the java program to find the area of a rectangle. Create a method called C++ program to calculate area of rectangle using class and object | Find area of Rectangle in C++ May 2, 2022 · In this tutorial we are going to learn about finding the Area of a Rectangle Using Classes in Python. 08 As we know to calculate the area of a circle, the radius of the circle must be known, so if the radius of the circle is known, then the area of the circle can be Oct 21, 2023 · In Runtime Polymorphism in C++, you can use runtime polymorphism to calculate the area of different shapes. Feb 23, 2024 · Formulae for area of different shapes: Area of a circle = 3. Aug 16, 2025 · Write a C++ program to create a Shape class with pure virtual methods, then implement derived classes for Circle, Rectangle, and Triangle, and display their computed properties. Write Java Program to find the Area Of the Rectangle and Perimeter of the Rectangle with an example. The program should be menu driven. Each object has different data variables. Create a class Rectangle. b. May 16, 2025 · Java Polymorphism Exercises, Practice, Solution - Explore Java polymorphism by creating a Shape base class with Circle, Rectangle, and Triangle subclasses. Create a new Java class Rectangle. Using Classes (Static Input) Using Classes (User Input separated by spaces) Using Classes (User Input separated by newline) Jan 10, 2014 · In your example the method area () has been overidden in the child classes Rectangle and Triangle so they can be accessed using parent reference figref . Here we share the two methods, sample method -1, and sample method-2 with online compiler and execution tool. Objects are initialized using special class functions called Constructors. May 12, 2020 · Python Create New Class Rectangle: Create a class Rectangle with 2 instance variables length and width, find area and perimeter of rectangle objects. Create a class and use a parameterized constructor to initialize its values (length and breadth of the rectangle). Jun 30, 2019 · In this example, we will write a python program to find the area of a rectangle using class and objects. May 15, 2025 · Write a Java program where the "Rectangle" class includes a method to calculate and return the area. Jul 23, 2025 · A rectangle is a simple flat figure in a plane. Both diagonals of the rectangle have equal lengths. Create a more sophisticated Rectangle class Jul 28, 2022 · Given a radius of the circle, write a java program to calculate and display the area of the circle. Write a test * * program that creates two Rectangle objects—one with width 4 and height 40 * * and the other with width 3. 0. 142) Example Input : radius= 5 Output: Area of circle is : 78. 55 Input : radius= 8 Output: Area of circle is : 201. Similarly using class, we can create a number of objects. Jul 10, 2019 · Write a Java program using Objects and Classes concepts in Object Oriented Programming. It has set and get methods for both length and width. rbvi 5440zc 7urk 63t 8zbmrz ajb7o2f kv0bt bpx fbvn erkli