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Scala program to add and delete items to/from BitSet

Here, we are going to learn how to add and delete items to/from BitSet in Scala programming language?
Submitted by Nidhi, on June 04, 2021 [Last updated : March 11, 2023]

Scala - Add/Delete Items to/from BitSet

Here, we will create a set of integer numbers using the BitSet collection class. Then we will add and remove an item to/from BitSet. After that, we will print elements of the bit set on the console screen.

The Bitset is used to positive integer numbers. It is used to represent the variable-size array of bits. It extends the Set trait.

Scala code to add and delete items to/from BitSet

The source code to add and delete items to/from BitSet is given below. The given program is compiled and executed on the ubuntu 18.04 operating system successfully.

// Scala program to add and delete item to/from BitSet

import scala.collection.immutable._

object Sample {
  // Main method
  def main(args: Array[String]) {
    var nums = BitSet(87, 70, 60, 30, 20);

    println("Elements of bit set:");
    nums.foreach((item: Int) => printf("%d ", item));

    // Add New Item
    nums += 10;

    println("\nBit set After Insertion:");
    nums.foreach((item: Int) => printf("%d ", item));

    // Delete an Item
    nums -= 70;

    println("\nBit set After Deletion:");
    nums.foreach((item: Int) => printf("%d ", item));

    println();
  }
}

Output

Elements of bit set:
20 30 60 70 87 
Bit set After Insertion:
10 20 30 60 70 87 
Bit set After Deletion:
10 20 30 60 87 

Explanation

Here, we used an object-oriented approach to create the program. And, 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 a set nums using BitSet collection. Then we added item 10 into bitSet nums and removed the item from nums. After that, we printed the updated bit set using the foreach loop on the console screen.

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