Scala Keywords Last Updated : 01 Feb, 2019 Comments Improve Suggest changes Like Article Like Report Keywords or Reserved words are the words in a language that are used for some internal process or represent some predefined actions. These words are therefore not allowed to use as variable names or objects. Doing this will result in a compile-time error. Example: Scala // Scala Program to illustrate the keywords // Here object, def, and var are valid keywords object Main { def main(args: Array[String]) { var p = 10 var q = 30 var sum = p + q println("The sum of p and q is :"+sum); } } Output: The sum of p and q is :40 Scala contains following keywords: abstract case catch class def do else extends false final finally for forSome if implicit import lazy match new null object override package private protected return sealed super this throw trait true try type val var while with yield >: ⇒ => = <% <: ← <- # @ : _ Example: Scala // Scala Program to illustrate the keywords // Here class keyword is used to create a new class // def keyword is used to create Function // var keyword is used to create a variable class GFG { var name = "Priyanka" var age = 20 var branch = "Computer Science" def show() { println("Hello! my name is " + name + "and my age is"+age); println("My branch name is " + branch); } } // object keyword is used to define // an object new keyword is used to // create an object of the given class object Main { def main(args: Array[String]) { var ob = new GFG(); ob.show(); } } Output: Hello! my name is Priyankaand my age is20 My branch name is Computer Science Comment More info A ankita_saini Follow Improve Article Tags : Scala Scala Scala-Basics Explore OverviewScala Programming Language3 min readIntroduction to Scala7 min readSetting up the environment in Scala3 min readHello World in Scala2 min readBasicsScala Keywords2 min readScala Identifiers3 min readData Types in Scala3 min readVariables in Scala3 min readControl StatementsScala | Decision Making (if, if-else, Nested if-else, if-else if)5 min readScala | Loops(while, do..while, for, nested loops)5 min readBreak statement in Scala3 min readScala | Literals4 min readOOP ConceptsClass and Object in Scala5 min readInheritance in Scala5 min readOperators in Scala11 min readScala Singleton and Companion Objects3 min readScala Constructors4 min readScala | Polymorphism5 min readScala | Multithreading3 min readScala this keyword2 min readMethodsScala | Functions - Basics3 min readAnonymous Functions in Scala2 min readScala | Closures3 min readRecursion in Scala4 min readMethod Overloading in Scala5 min readMethod Overriding in Scala8 min readLambda Expression in Scala4 min readScala Varargs2 min readStringsScala String4 min readScala | String Interpolation3 min readScala | StringContext2 min readRegular Expressions in Scala5 min readStringBuilder in Scala4 min readScala PackagesPackages In Scala4 min readScala | Package Objects3 min readChained Package Clauses in Scala3 min readFile Handling in Scala3 min readScala TraitScala | Traits7 min readScala | Sealed Trait4 min readScala | Trait Mixins3 min readTrait Linearization in Scala5 min readCollectionsScala Lists5 min readScala ListBuffer6 min readListSet in Scala6 min readScala Map5 min readScala | Arrays6 min readScala | ArrayBuffer4 min readScala | Tuple5 min readSet in Scala | Set-13 min readSet in Scala | Set-27 min readBitSet in Scala5 min readHashSet In Scala4 min readStack in Scala3 min readHashMap in Scala3 min readTreeSet in Scala4 min readIterators in Scala5 min readScala | Option3 min read Like