Populate a list with a specific range of numbers by using LINQ

Populate a list with a specific range of numbers by using LINQ

In LINQ, you can use the Enumerable.Range method to generate a sequence of numbers within a specific range. Here's an example of how you can use LINQ to populate a list with a range of numbers:

using System; using System.Linq; using System.Collections.Generic; class Program { static void Main() { int startNumber = 1; int endNumber = 10; List<int> numberList = Enumerable.Range(startNumber, endNumber - startNumber + 1).ToList(); foreach (int number in numberList) { Console.WriteLine(number); } } }

In the above example, we use the Enumerable.Range method to generate a sequence of numbers from startNumber to endNumber. The ToList method is then called to convert the sequence into a List<int>. Finally, we iterate over the elements of the list using a foreach loop and print each number to the console.

The output will be:

1 2 3 4 5 6 7 8 9 10

By specifying the appropriate start and end values, you can generate a list of numbers within a specific range using LINQ's Enumerable.Range method.

Examples

  1. "C# LINQ to create a list of integers with a range"

    • Description: Learn how to use LINQ to create a list of integers within a specific range in C#.
    // C# LINQ to create a list of integers with a range List<int> numberList = Enumerable.Range(1, 10).ToList();

  2. "LINQ query to generate a sequence of numbers"

    • Description: Explore how to use LINQ to generate a sequence of numbers within a specific range in C#.
    // LINQ query to generate a sequence of numbers List<int> sequenceList = Enumerable.Range(5, 15).ToList();

  3. "C# LINQ to populate a list with even numbers"

    • Description: Understand how to use LINQ to populate a list with even numbers within a specific range in C#.
    // C# LINQ to populate a list with even numbers List<int> evenNumberList = Enumerable.Range(2, 10).Where(num => num % 2 == 0).ToList();

  4. "LINQ to create a list of multiples within a range"

    • Description: Learn how to use LINQ to create a list of multiples of a specific number within a given range in C#.
    // LINQ to create a list of multiples within a range int multiplier = 3; List<int> multipleList = Enumerable.Range(1, 10).Select(num => num * multiplier).ToList();

  5. "C# LINQ to generate a list of squares"

    • Description: Explore how to use LINQ to generate a list of square numbers within a specific range in C#.
    // C# LINQ to generate a list of squares List<int> squareList = Enumerable.Range(1, 5).Select(num => num * num).ToList();

  6. "C# LINQ to create a descending list of numbers"

    • Description: Understand how to use LINQ to create a list of numbers in descending order within a specific range in C#.
    // C# LINQ to create a descending list of numbers List<int> descendingList = Enumerable.Range(10, 5).OrderByDescending(num => num).ToList();

  7. "C# LINQ to populate a list with a step value"

    • Description: Learn how to use LINQ to populate a list with numbers within a specific range with a specified step value in C#.
    // C# LINQ to populate a list with a step value int stepValue = 2; List<int> stepList = Enumerable.Range(1, 10).Where(num => num % stepValue == 0).ToList();

  8. "LINQ to create a list of Fibonacci numbers"

    • Description: Explore how to use LINQ to generate a list of Fibonacci numbers within a specific range in C#.
    // LINQ to create a list of Fibonacci numbers List<int> fibonacciList = Enumerable.Range(0, 10).Select(n => Fibonacci(n)).ToList(); private int Fibonacci(int n) { if (n <= 1) return n; return Fibonacci(n - 1) + Fibonacci(n - 2); }

  9. "C# LINQ to create a list with random numbers"

    • Description: Understand how to use LINQ to generate a list with random numbers within a specific range in C#.
    // C# LINQ to create a list with random numbers Random random = new Random(); List<int> randomList = Enumerable.Range(1, 5).Select(_ => random.Next(1, 100)).ToList();

  10. "C# LINQ to create a list of prime numbers"

    • Description: Learn how to use LINQ to generate a list of prime numbers within a specific range in C#.
    // C# LINQ to create a list of prime numbers List<int> primeList = Enumerable.Range(2, 20).Where(num => IsPrime(num)).ToList(); private bool IsPrime(int num) { if (num < 2) return false; for (int i = 2; i <= Math.Sqrt(num); i++) { if (num % i == 0) return false; } return true; }

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