<\/p>\r\n
In Scala<\/a> , packages are used to build namespaces<\/a> which permits you to modularize programs.<\/p>\r\n\r\n\r\n\r\n Scala Packages<\/strong> are created by creating one or more package at the top of a Scala file.<\/p>\r\n\r\n\r\n\r\n use case 1:<\/strong><\/p>\r\n\r\n\r\n\r\n Create package prwa and then class faculty<\/em><\/p>\r\n\r\n\r\n\r\n package<\/strong> prwa<\/p>\r\n\r\n\r\n\r\n class<\/strong> faculty {<\/p>\r\n\r\n\r\n\r\n \u00a0 def<\/strong> faculymethod(){}<\/p>\r\n\r\n\r\n\r\n }<\/p>\r\n\r\n\r\n\r\n Now create class student under same package prwa<\/em><\/p>\r\n\r\n\r\n\r\n package<\/strong> prwa<\/p>\r\n\r\n\r\n\r\n \/\/ using the prwa package name again<\/p>\r\n\r\n\r\n\r\n class<\/strong> student {<\/p>\r\n\r\n\r\n\r\n \u00a0 def<\/strong> studentmethod(){}<\/p>\r\n\r\n\r\n\r\n }<\/p>\r\n\r\n\r\n\r\n object<\/strong> Main<\/p>\r\n\r\n\r\n\r\n {<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0\u00a0 \/\/ Main method<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0\u00a0 def<\/strong> main(args: Array[String<\/em>])<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0\u00a0 {<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 val<\/strong> stu= new<\/strong> student()<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 val<\/strong> fac= new<\/strong> faculty()<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/ faculty class can be accessed while<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/ in different file but in same package.<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 println(“welcome to prwatech”)<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0\u00a0 }<\/p>\r\n\r\n\r\n\r\n }<\/p>\r\n\r\n\r\n\r\n The directory structure looks like as below<\/em><\/p>\r\n\r\n\r\n\r\n prwa<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 +faculty.scala<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0+student.scala<\/p>\r\n\r\n\r\n\r\n output<\/strong><\/p>\r\n\r\n\r\n\r\n The value of z after casting into Int is 0<\/p>\r\n\r\n\r\n\r\n use case 2:<\/strong><\/p>\r\n\r\n\r\n\r\n package<\/strong> eduprwa<\/p>\r\n\r\n\r\n\r\n class<\/strong> Fruit {<\/p>\r\n\r\n\r\n\r\n \u00a0 def<\/strong> Fruitmethod(){}<\/p>\r\n\r\n\r\n\r\n }<\/p>\r\n\r\n\r\n\r\n Create another class under same package<\/em><\/p>\r\n\r\n\r\n\r\n package<\/strong> eduprwa<\/p>\r\n\r\n\r\n\r\n class<\/strong> FruitName {<\/p>\r\n\r\n\r\n\r\n \u00a0 def<\/strong> FruitNamemethod(){}<\/p>\r\n\r\n\r\n\r\n }<\/p>\r\n\r\n\r\n\r\n object<\/strong> Main<\/p>\r\n\r\n\r\n\r\n {<\/p>\r\n\r\n\r\n\r\n \u00a0def<\/strong> main(args: Array[String<\/em>])<\/p>\r\n\r\n\r\n\r\n \u00a0{<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0 val<\/strong> Fruit= new<\/strong> Fruit()<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0 val<\/strong> FruiName= new<\/strong> FruitName()<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0 \/\/ FruitName class can be accessed while<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0 \/\/ in different file but in same package.<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0 println(“Mango is a Fruit”)<\/p>\r\n\r\n\r\n\r\n \u00a0}<\/p>\r\n\r\n\r\n\r\n }<\/p>\r\n\r\n\r\n\r\n output<\/strong><\/p>\r\n\r\n\r\n\r\n Mango is a fruit<\/p>\r\n\r\n\r\n\r\n use case 3:<\/strong><\/p>\r\n\r\n\r\n\r\n package<\/strong> prwatech<\/p>\r\n\r\n\r\n\r\n class<\/strong> Institute {<\/p>\r\n\r\n\r\n\r\n \u00a0 private<\/strong> var<\/strong> id=2<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0\u00a0 def<\/strong> method()<\/p>\r\n\r\n\r\n\r\n \u00a0 {<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0\u00a0 {<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 println(“welcome to Data Science Training”)<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 println(“id=”+id)<\/p>\r\n\r\n\r\n\r\n <\/p>\r\n\r\n\r\n\r\n \/\/<\/p>\r\n\r\n\r\n\r\n package<\/strong> tech<\/p>\r\n\r\n\r\n\r\n object<\/strong> Main {<\/p>\r\n\r\n\r\n\r\n \u00a0 def<\/strong> main(args: Array[String<\/em>])<\/p>\r\n\r\n\r\n\r\n \u00a0 {<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/ importing in main method<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 import<\/strong> prwatech.Institute<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/ using the member injected using import statement<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 val<\/strong> obj = new<\/strong> Institute()<\/p>\r\n\r\n\r\n\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 obj.method();<\/p>\r\n\r\n\r\n\r\n <\/p>\r\n\r\n\r\n\r\n output<\/strong><\/p>\r\n\r\n\r\n\r\n welcome to Data Science Training Packages and Imports Tour of Scala<\/p>\r\n","protected":false},"excerpt":{"rendered":" Packages and Imports Tour of Scala In Scala , packages are used to build namespaces which permits you to modularize programs. Scala Packages are created by creating one or more package at the top of a Scala file. use case 1: Create package prwa and then class faculty package prwa class faculty { \u00a0 […]<\/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":[1110,1113,1112,1114,1108,1111,1116,1109,1115,1117],"class_list":["post-8394","post","type-post","status-publish","format-standard","hentry","category-scala","category-scala-modules-scala","tag-package-creation-in-scala","tag-package-in-scala","tag-package-in-scala-programming","tag-package-usecases-in-scala","tag-packages","tag-scala-package-concepts","tag-scala-package-creation","tag-scala-packages","tag-scala-packages-examples","tag-scala-simple-package-program"],"acf":[],"yoast_head":"\n
id=2<\/p>\r\n\r\n\r\n\r\n