This syntax looks a lot like the Java way to create an object, except (a) you don't need the "new" keyword before theList, and (b) you don't have to declare the type of elements in theList. Note that if you're going to mix types in aListconstructor, you may need to manually...
Suraj PMar 11, 2025ScalaScala Value Reassigning a value to avalin Scala can be a bit tricky, especially for those new to the language. In Scala,valis used to declare constants, meaning once a value is assigned, it cannot be changed. This immutability is a core feature of Scala, promoting...
Scala - Varargs Scala - Composition Function Scala - Return Unit Form Function Scala - Convert Function To Partial FunctionScala ArraysScala - Arrays Scala - Print Array Scala - Multi-dimensional Array Scala - ArrayBuffer Scala - Create Range of Characters Scala - String With Newline to List of...
If you really want to have some fun, you can take advantage of Scala’s extractor functionality to declare fields with different types like this: scala>var (x, y, z) = (0, 1.1, "foo")x: Int = 0 y: Double = 1.1 z: java.lang.String = foo As you can see from the output, th...
Declare a list of 10 random integers that we want to create a new list in reverse order. numbers=[66,78,2,45,97,17,34,105,44,52] Use a while loop over the list to output it in reverse. First, get the size of the list and deduct it by 1 to point to the last element of th...
In the same way thelengthmethod is called on aString, you can call a method on any class you want to sort. If your sorting method gets longer, first declare it as a method: def sortByLength(s1: String, s2: String) = { println("comparing %s and %s".format(s1, s2)) ...
scala> hiveObj.refreshTable("cloudera.test1") try to see if you can list tables in the database using show after you refresh val df = hiveObj.sql("show tables in database_name); df.show() Reply 32,247 Views 0 Kudos hadoopSparkZen Explorer Created 07-04-2017 ...
Several programming languages including Scala, Kotlin, and OCaml provide support for integrating constructor parameters directly at the place where you declare your class. In this article, we’ll take a close look at primary constructors and how we can work with them in C# 12. To run the ...
Declare the attribute. Let’s call it dateFormat and give it string data type. Add it to /res/values/attrs.xml: <resources> <declare-styleable name="CalendarDateElement"> <attr name="dateFormat" format="string"/> </declare-styleable> </resources> Use the attribute in the layout that...
This academic problem was aligned to the practical objective of being able to gain a better understanding of the social media users who talk about the opera house, an aspect that would allow La Scala to adjust their marketing and communications strategies accordingly. The theatre's management ...