How to Convert a Set of Integers to a Set of Strings in C# - Step by Step Examples

How to Convert a Set of Integers to a Set of Strings in C# ?

Answer

To convert a set of integers to a set of strings in C#, you can use LINQ's `Select` method to transform each integer into its string representation.


✐ Examples

1 Convert Set of Integers to Set of Strings

In this example,

  1. We have a set of integers named intSet.
  2. We use LINQ's Select method to transform each integer in intSet into its string representation.
  3. The Select method projects each element of a sequence into a new form.
  4. We use the ToHashSet method to create a new HashSet containing the string representations of the integers.

C# Program

using System;
using System.Collections.Generic;
using System.Linq;

class Program
{
    static void Main()
    {
        HashSet<int> intSet = new HashSet<int> { 1, 2, 3, 4, 5 };

        HashSet<string> stringSet = intSet.Select(i => i.ToString()).ToHashSet();

        foreach (var str in stringSet)
        {
            Console.WriteLine(str);
        }
    }
}

Output

1
2
3
4
5

2 Convert Empty Set to Set of Strings

In this example,

  1. We have an empty set of integers named emptySet.
  2. We use LINQ's Select method to transform each integer in emptySet into its string representation.
  3. Since there are no elements in emptySet, the resulting set of strings will also be empty.

C# Program

using System;
using System.Collections.Generic;
using System.Linq;

class Program
{
    static void Main()
    {
        HashSet<int> emptySet = new HashSet<int>();

        HashSet<string> stringSet = emptySet.Select(i => i.ToString()).ToHashSet();

        foreach (var str in stringSet)
        {
            Console.WriteLine(str);
        }
    }
}

Summary

In this tutorial, we learned How to Convert a Set of Integers to a Set of Strings in C# language with well detailed examples.


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