Q:

Scala program to demonstrate the List.fill() method

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YasminRadwan26
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2022-07-08
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Here, we will create two lists using the List.fill() method. The fill() method is used to fill the same item specified number of times.

The List collection is used to store ordered elements. It extends the LinearSeq trait and is used for the immutable linked list.

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YasminRadwan26
2022-07-08
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Program/Source Code:

The source code to demonstrate the List.fill() method is given below. The given program is compiled and executed on the ubuntu 18.04 operating system successfully.

// Scala program to demonstrate the
// List.fill() method

import scala.collection.immutable._

object Sample {
  // Main method
  def main(args: Array[String]) {
    var intList = List.fill(4)(10);
    var strList = List.fill(3)("Hello");

    println(intList);
    println(strList);
  }
}

Output:

List(10, 10, 10, 10)
List(Hello, Hello, Hello)

Explanation:

In the above program, we used an object-oriented approach to create the program. Here we imported Collection classes using below statement,

import scala.collection.immutable._

Here, we also created a singleton object Sample and defined the main() function. The main() function is the entry point for the program.

In the main() function, we created two lists intList, steList using List.fill() method and fill items in the lists. After that, we printed the created list on the console screen.

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