Initialize an integer array with a single value in C# .NET

Initialize an integer array with a single value in C# .NET

To initialize an integer array with a single value in C# .NET, you can use the Enumerable.Repeat method to create a sequence of a specified value, and then convert the sequence to an array using the ToArray method.

Here's an example of how to initialize an integer array with a single value:

int[] myArray = Enumerable.Repeat(5, 10).ToArray();

In this example, we are using the Enumerable.Repeat method to create a sequence of the integer value 5, repeated 10 times. We then convert the sequence to an array using the ToArray method and assign it to the myArray variable.

The resulting myArray array will have 10 elements, all of which will be set to the value 5.

You can replace the values 5 and 10 in the example with any other integer values to create an array of a different length and with a different initial value.

Examples

  1. "Initialize int array with a single value in C# .NET"

    • Description: Learn how to initialize an array of integers with a single value using various approaches in C#.
    • Code:
      int[] intArray1 = Enumerable.Repeat(42, 10).ToArray(); int[] intArray2 = new int[10].Select(x => 42).ToArray(); int[] intArray3 = new int[] { 42, 42, 42, 42, 42, 42, 42, 42, 42, 42 };

  2. "C# initialize int array with a constant value"

    • Description: Understand how to initialize an array of integers with a constant value in C#, ensuring all elements have the same value.
    • Code:
      int[] intArray = new int[10]; for (int i = 0; i < intArray.Length; i++) { intArray[i] = 42; }

  3. "C# initialize int array using LINQ with constant value"

    • Description: Explore using LINQ to initialize an array of integers with a constant value in C#, providing a concise and expressive approach.
    • Code:
      int[] intArray = Enumerable.Range(0, 10).Select(_ => 42).ToArray();

  4. "Initialize int array with default value in C#"

    • Description: Learn how to initialize an array of integers with the default value (zero) in C# using different techniques.
    • Code:
      int[] intArray1 = new int[10]; // Initialized with default value (zero) int[] intArray2 = Enumerable.Range(0, 10).ToArray(); // Same as above

  5. "C# initialize int array with specific value using Array.Fill"

    • Description: Explore the use of Array.Fill to initialize an array of integers with a specific value in C#.
    • Code:
      int[] intArray = new int[10]; Array.Fill(intArray, 42);

  6. "Initialize int array with predefined values in C#"

    • Description: Understand how to initialize an array of integers with predefined values in C#, providing a specific sequence of numbers.
    • Code:
      int[] intArray = { 2, 4, 6, 8, 10, 12, 14, 16, 18, 20 };

  7. "C# initialize int array with custom pattern"

    • Description: Learn how to initialize an array of integers with a custom pattern or sequence in C#, providing flexibility for specific requirements.
    • Code:
      int[] intArray = { 1, 3, 5, 7, 9, 11, 13, 15, 17, 19 };

  8. "C# initialize int array with mathematical sequence"

    • Description: Explore how to initialize an array of integers with values generated by a mathematical sequence or formula in C#.
    • Code:
      int[] squareArray = new int[10]; for (int i = 1; i <= 10; i++) { squareArray[i - 1] = i * i; }

  9. "C# initialize int array with ascending values"

    • Description: Learn how to initialize an array of integers with ascending values using a loop in C#.
    • Code:
      int[] intArray = new int[10]; for (int i = 0; i < intArray.Length; i++) { intArray[i] = i + 1; }

  10. "C# initialize int array with descending values"

    • Description: Explore how to initialize an array of integers with descending values using a loop in C#.
    • Code:
      int[] intArray = new int[10]; for (int i = 0; i < intArray.Length; i++) { intArray[i] = 10 - i; }

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