def swap (i:Int, j:Int,li:List [T]):List [T]= { if (i>=li.size && j >=li.size) throw new Error ("invalie argument"); val f = li (i) li (i) = li (j) //wont work li (j) = f;//wont work li; } Initially, i tried it by converting it to an Array, changing the positions and then converting it to a List again. Any easy way? scala Share SpletTwo implicit conversions exist in scala.Predef that are frequently applied to arrays: a conversion to scala.collection.ArrayOps (shown on line 4 of the example above) and a …

Scala Collections - Tuple - TutorialsPoint

Splet05. jul. 2024 · 2. Intro to ScalaCache. ScalaCache supports a wide variety of caching libraries. A few such libraries are Redis, Memcached, Guava Cache, Caffeine, and … SpletFollowing is a simple syntax to define a basic class in Scala. This class defines two variables x and y and a method: move, which does not return a value. Class variables are called, fields of the class and methods are called class methods. The class name works as a class constructor which can take a number of parameters. malta cp

Scala for/yield examples (for-loop and yield syntax)

SpletScala Output Screen The absolute value of 9.3 is 9.3 The absolute value of -6.3 is 6.3 Thousands Lived without Love, but not without water. So SAVE WATER. Example: #3 - Scala abs Convert the positive and negative Infinity to an absolute value. Scala Input Screen SpletHow to swap two numbers in Scala Overview. Swapping of variables is when we assign the value of one variable to another programmatically. In this shot,... Syntax. Parameters. … SpletSave the above program in Demo.scala. The following commands are used to compile and execute this program. Command \>scalac Demo.scala \>scala Demo Output Concatenated String: (1,hello,scala.Console$@281acd47) Swap the Elements. You can use Tuple.swap method to swap the elements of a Tuple2. Try the following example program to swap … malta covid travel from uk