{"id":184053,"date":"2025-01-18T03:03:28","date_gmt":"2025-01-18T03:03:28","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=184053"},"modified":"2025-01-18T03:03:31","modified_gmt":"2025-01-18T03:03:31","slug":"exercise-5-5-5-rectangle-class","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/01\/18\/exercise-5-5-5-rectangle-class\/","title":{"rendered":"Exercise 5.5.5: Rectangle class"},"content":{"rendered":"\n<p>Exercise 5.5.5: Rectangle class<\/p>\n\n\n\n<p>5 points<\/p>\n\n\n\n<p>Let&#8217;s Go!<\/p>\n\n\n\n<p>Write your own accessor and mutator method for the Rectangle class instance variables.<\/p>\n\n\n\n<p>You should create the following methods:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>getHeight<\/li>\n\n\n\n<li>setHeight<\/li>\n\n\n\n<li>getWidth<\/li>\n\n\n\n<li>setWidth<\/li>\n\n\n\n<li>getArea<\/li>\n\n\n\n<li>getPerimeter<\/li>\n\n\n\n<li>toString- The output of a rectangle with width 10 and height 4 method should be:<\/li>\n<\/ul>\n\n\n\n<p>Rectangle width: 10, Rectangle height: 4<\/p>\n\n\n\n<p>THE CODEHS ANSWER WITH NO ERRORS PLEASE&nbsp;<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\">The correct answer and explanation is:<\/mark><\/strong><\/p>\n\n\n\n<p>Here is the correct implementation of the <code>Rectangle<\/code> class with accessor and mutator methods (<code>getHeight<\/code>, <code>setHeight<\/code>, <code>getWidth<\/code>, <code>setWidth<\/code>), as well as methods to compute the area (<code>getArea<\/code>), perimeter (<code>getPerimeter<\/code>), and a <code>toString<\/code> method.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation (300 words)<\/h3>\n\n\n\n<p>The <code>Rectangle<\/code> class is a blueprint for creating rectangle objects with <code>width<\/code> and <code>height<\/code> as instance variables. Here&#8217;s how the implementation works:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Constructor (<code>__init__<\/code>)<\/strong>: This initializes the rectangle&#8217;s <code>width<\/code> and <code>height<\/code> when a new object is created.<\/li>\n\n\n\n<li><strong>Accessor Methods<\/strong>:\n<ul class=\"wp-block-list\">\n<li><code>getHeight<\/code> returns the rectangle&#8217;s height.<\/li>\n\n\n\n<li><code>getWidth<\/code> returns the rectangle&#8217;s width. These methods allow safe and controlled access to private or internal variables.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Mutator Methods<\/strong>:\n<ul class=\"wp-block-list\">\n<li><code>setHeight<\/code> allows updating the height of the rectangle.<\/li>\n\n\n\n<li><code>setWidth<\/code> allows updating the width of the rectangle. These methods enable modifications to instance variables while maintaining control and ensuring validations can be added if necessary.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Area and Perimeter<\/strong>:\n<ul class=\"wp-block-list\">\n<li><code>getArea<\/code> calculates the area by multiplying <code>width<\/code> by <code>height<\/code>.<\/li>\n\n\n\n<li><code>getPerimeter<\/code> calculates the perimeter using the formula <code>2 * (width + height)<\/code>.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong><code>toString<\/code> Method<\/strong>:\n<ul class=\"wp-block-list\">\n<li>This method formats the rectangle&#8217;s <code>width<\/code> and <code>height<\/code> into a user-friendly string representation.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p><strong>Advantages<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Encapsulation: The class provides controlled access and modification of instance variables.<\/li>\n\n\n\n<li>Reusability: The methods can be reused, and the logic for area\/perimeter is centralized within the class.<\/li>\n\n\n\n<li>Readability: The <code>toString<\/code> method makes debugging and logging easier.<\/li>\n<\/ul>\n\n\n\n<p>This implementation is free of errors and adheres to best practices for creating Python classes with accessor and mutator methods.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Exercise 5.5.5: Rectangle class 5 points Let&#8217;s Go! Write your own accessor and mutator method for the Rectangle class instance variables. You should create the following methods: Rectangle width: 10, Rectangle height: 4 THE CODEHS ANSWER WITH NO ERRORS PLEASE&nbsp; The correct answer and explanation is: Here is the correct implementation of the Rectangle class [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-184053","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/184053","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=184053"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/184053\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=184053"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=184053"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=184053"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}