{"id":5709,"date":"2020-10-08T05:21:31","date_gmt":"2020-10-08T05:21:31","guid":{"rendered":"https:\/\/prwatech.in\/blog\/?p=5709"},"modified":"2024-04-12T09:51:49","modified_gmt":"2024-04-12T09:51:49","slug":"inheritance-in-scala-programming-language-2","status":"publish","type":"post","link":"https:\/\/prwatech.in\/blog\/scala\/scala-modules-scala\/inheritance-in-scala-programming-language-2\/","title":{"rendered":"Scala &#8211; Inheritance"},"content":{"rendered":"\r\n<h2 class=\"wp-block-heading\"><span data-sheets-root=\"1\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Guide to Inheritance in Scala&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:6145,&quot;3&quot;:{&quot;1&quot;:0,&quot;3&quot;:1},&quot;14&quot;:{&quot;1&quot;:3,&quot;3&quot;:1},&quot;15&quot;:&quot;Arial&quot;}\">Guide to Inheritance in Scala<\/span><\/h2>\r\n<h3>Types of Inheritance:<\/h3>\r\n\r\n\r\n\r\n<p class=\"has-medium-font-size\">\u00b7\u00a0\u00a0Single Level Inheritance<\/p>\r\n\r\n\r\n\r\n<p class=\"has-medium-font-size\">\u00b7Multi-level Inheritance<\/p>\r\n\r\n\r\n\r\n<p class=\"has-medium-font-size\">\u00b7\u00a0 Hierarchical Inheritance<\/p>\r\n\r\n\r\n\r\n<p class=\"has-medium-font-size\">\u00b7\u00a0 Multiple Inheritance: It cannot be achieved by Classes. It can be achieved by using Traits.<\/p>\r\n\r\n\r\n\r\n<p class=\"has-medium-font-size\">Note: Two Classes cannot be extended by one class at the same time.<\/p>\r\n\r\n\r\n\r\n<p class=\"has-medium-font-size\">\u00b7\u00a0 Hybrid Inheritance<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">An Example program to portray Single level inheritance:<\/h3>\r\n\r\n\r\n\r\n<p><strong>package<\/strong> single<\/p>\r\n\r\n\r\n\r\n<p><strong>class<\/strong> single_lvl {<\/p>\r\n\r\n\r\n\r\n<p>\u00a0 <strong>val<\/strong> prop:Double = 3000.00<\/p>\r\n\r\n\r\n\r\n<p>\u00a0 <strong>protected<\/strong> <strong>var<\/strong> area_house:Double = 2000.00<\/p>\r\n\r\n\r\n\r\n<p>\u00a0 <strong>def<\/strong> house() : Unit = {<\/p>\r\n\r\n\r\n\r\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 println(&#8220;Villa is built over &#8221; + area_house + &#8221; sq ft.&#8221;)<\/p>\r\n\r\n\r\n\r\n<p>\u00a0 }<\/p>\r\n\r\n\r\n\r\n<p>}<\/p>\r\n\r\n\r\n\r\n<p><strong>class<\/strong> Child_A <strong>extends<\/strong> single_lvl{<\/p>\r\n\r\n\r\n\r\n<p>\u00a0 <strong>def<\/strong> child_house() : Unit = {<\/p>\r\n\r\n\r\n\r\n<p>\u00a0\u00a0\u00a0 println(&#8220;Child house is built in area of &#8221; + (prop-area_house) + &#8221; sq ft.&#8221;)<\/p>\r\n\r\n\r\n\r\n<p>\u00a0 }<\/p>\r\n\r\n\r\n\r\n<p>}<\/p>\r\n\r\n\r\n\r\n<p><strong>object<\/strong> SCA{<\/p>\r\n\r\n\r\n\r\n<p>\u00a0 <strong>def<\/strong> main(args: Array[<em>String<\/em>]): Unit = {<\/p>\r\n\r\n\r\n\r\n<p>\u00a0\u00a0\u00a0 <strong>val<\/strong> c = <strong>new<\/strong> Child_A()<\/p>\r\n\r\n\r\n\r\n<p>\u00a0\u00a0\u00a0 c.child_house()<\/p>\r\n\r\n\r\n\r\n<p>\u00a0\u00a0\u00a0 c.house()<\/p>\r\n\r\n\r\n\r\n<p>\u00a0\u00a0\u00a0 println(&#8220;Single Inheritance Implemented&#8221;)<\/p>\r\n\r\n\r\n\r\n<p>\u00a0 }<\/p>\r\n\r\n\r\n\r\n<p>}<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5690\" src=\"https:\/\/prwatech.in\/blog\/wp-content\/uploads\/2020\/10\/i1.jpg\" alt=\"\" width=\"577\" height=\"110\" srcset=\"https:\/\/prwatech.in\/blog\/wp-content\/uploads\/2020\/10\/i1.jpg 477w, https:\/\/prwatech.in\/blog\/wp-content\/uploads\/2020\/10\/i1-300x57.jpg 300w\" sizes=\"auto, (max-width: 577px) 100vw, 577px\" \/><\/figure>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">An Example <a href=\"https:\/\/prwatech.in\/blog\/#\">program<\/a> to <a href=\"https:\/\/www.scala-lang.org\/\">portray<\/a> Multi level inheritance:<\/h2>\r\n\r\n\r\n\r\n<p><strong>package<\/strong> inheritence<\/p>\r\n\r\n\r\n\r\n<p><strong>class<\/strong> Multi_lvl {<\/p>\r\n\r\n\r\n\r\n<p>\u00a0\u00a0\u00a0 <strong>def<\/strong> run(): Unit = {<\/p>\r\n\r\n\r\n\r\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0 println(&#8220;Running everyday 3kms is good for health&#8221;)<\/p>\r\n\r\n\r\n\r\n<p>\u00a0\u00a0\u00a0 }<\/p>\r\n\r\n\r\n\r\n<p>}<\/p>\r\n\r\n\r\n\r\n<p><strong>class<\/strong> AM <strong>extends<\/strong> Multi_lvl{<\/p>\r\n\r\n\r\n\r\n<p>\u00a0\u00a0\u00a0 <strong>def<\/strong> walk(): Unit = {<\/p>\r\n\r\n\r\n\r\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0 println(&#8220;Walking Early Morning leads to Healtier life&#8221;)<\/p>\r\n\r\n\r\n\r\n<p>\u00a0\u00a0\u00a0 }<\/p>\r\n\r\n\r\n\r\n<p>}<\/p>\r\n\r\n\r\n\r\n<p><strong>class<\/strong> BM <strong>extends<\/strong> AM{<\/p>\r\n\r\n\r\n\r\n<p>\u00a0\u00a0 println(&#8220;Both parent and grand-parent method can be accese from here&#8221;)<\/p>\r\n\r\n\r\n\r\n<p>}<\/p>\r\n\r\n\r\n\r\n<p><strong>object<\/strong> ABM{<\/p>\r\n\r\n\r\n\r\n<p>\u00a0 <strong>def<\/strong> main(args:Array[<em>String<\/em>]):Unit = {<\/p>\r\n\r\n\r\n\r\n<p>\u00a0\u00a0\u00a0\u00a0 <strong>val<\/strong> b = <strong>new<\/strong> BM()<\/p>\r\n\r\n\r\n\r\n<p>\u00a0\u00a0\u00a0\u00a0 b.walk()<\/p>\r\n\r\n\r\n\r\n<p>\u00a0\u00a0\u00a0\u00a0 b.run()<\/p>\r\n\r\n\r\n\r\n<p>\u00a0 }<\/p>\r\n\r\n\r\n\r\n<p>}<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5691\" src=\"https:\/\/prwatech.in\/blog\/wp-content\/uploads\/2020\/10\/i2.jpg\" alt=\"\" width=\"584\" height=\"75\" srcset=\"https:\/\/prwatech.in\/blog\/wp-content\/uploads\/2020\/10\/i2.jpg 662w, https:\/\/prwatech.in\/blog\/wp-content\/uploads\/2020\/10\/i2-300x39.jpg 300w\" sizes=\"auto, (max-width: 584px) 100vw, 584px\" \/><\/figure>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">Guide to Inheritance in Scala<\/h3>\r\n","protected":false},"excerpt":{"rendered":"<p>Guide to Inheritance in Scala Types of Inheritance: \u00b7\u00a0\u00a0Single Level Inheritance \u00b7Multi-level Inheritance \u00b7\u00a0 Hierarchical Inheritance \u00b7\u00a0 Multiple Inheritance: It cannot be achieved by Classes. It can be achieved by using Traits. Note: Two Classes cannot be extended by one class at the same time. \u00b7\u00a0 Hybrid Inheritance An Example program to portray Single level [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[565,1698],"tags":[1992,1993,1966,1994],"class_list":["post-5709","post","type-post","status-publish","format-standard","hentry","category-scala","category-scala-modules-scala","tag-example-types-of-inheritance-in-scala","tag-guide-to-inheritance-in-scala","tag-syntax","tag-understanding-inheritance-in-scala"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Guide to Inheritance in Scala - Prwatech<\/title>\n<meta name=\"description\" content=\"Master Guide to Inheritance in Scala - Dive deep with our expert instructors and comprehensive curriculum, Enroll.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Guide to Inheritance in Scala - Prwatech\" \/>\n<meta property=\"og:description\" content=\"Master Guide to Inheritance in Scala - Dive deep with our expert instructors and comprehensive curriculum, Enroll.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/prwatech.in\/blog\/scala\/scala-modules-scala\/inheritance-in-scala-programming-language-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Prwatech\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prwatech.in\/\" \/>\n<meta property=\"article:published_time\" content=\"2020-10-08T05:21:31+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-12T09:51:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/prwatech.in\/blog\/wp-content\/uploads\/2020\/10\/i1.jpg\" \/>\n<meta name=\"author\" content=\"Prwatech\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Eduprwatech\" \/>\n<meta name=\"twitter:site\" content=\"@Eduprwatech\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Prwatech\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/prwatech.in\/blog\/scala\/scala-modules-scala\/inheritance-in-scala-programming-language-2\/\",\"url\":\"https:\/\/prwatech.in\/blog\/scala\/scala-modules-scala\/inheritance-in-scala-programming-language-2\/\",\"name\":\"Guide to Inheritance in Scala - Prwatech\",\"isPartOf\":{\"@id\":\"https:\/\/prwatech.in\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/prwatech.in\/blog\/scala\/scala-modules-scala\/inheritance-in-scala-programming-language-2\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/prwatech.in\/blog\/scala\/scala-modules-scala\/inheritance-in-scala-programming-language-2\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/prwatech.in\/blog\/wp-content\/uploads\/2020\/10\/i1.jpg\",\"datePublished\":\"2020-10-08T05:21:31+00:00\",\"dateModified\":\"2024-04-12T09:51:49+00:00\",\"author\":{\"@id\":\"https:\/\/prwatech.in\/blog\/#\/schema\/person\/db90baff7744090b2288bbc98fea87f3\"},\"description\":\"Master Guide to Inheritance in Scala - Dive deep with our expert instructors and comprehensive curriculum, Enroll.\",\"breadcrumb\":{\"@id\":\"https:\/\/prwatech.in\/blog\/scala\/scala-modules-scala\/inheritance-in-scala-programming-language-2\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/prwatech.in\/blog\/scala\/scala-modules-scala\/inheritance-in-scala-programming-language-2\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/prwatech.in\/blog\/scala\/scala-modules-scala\/inheritance-in-scala-programming-language-2\/#primaryimage\",\"url\":\"https:\/\/prwatech.in\/blog\/wp-content\/uploads\/2020\/10\/i1.jpg\",\"contentUrl\":\"https:\/\/prwatech.in\/blog\/wp-content\/uploads\/2020\/10\/i1.jpg\",\"width\":477,\"height\":91},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/prwatech.in\/blog\/scala\/scala-modules-scala\/inheritance-in-scala-programming-language-2\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/prwatech.in\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Scala &#8211; 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