Question

How to declare and initialize char array in C#

Answer 1

using System;
using System.Linq;

namespace ConsoleApplication_C_Sharp
{
    class Program
    {
        static void Main(string[] args)
        {
            char[] arr = Enumerable.Repeat('a', 5).ToArray();

            foreach (char ch in arr)
                Console.WriteLine(ch);
        }
    }
}


/*
run:

a
a
a
a
a

*/

 

70+ SQL courses for beginners and professionals

Answer 2

using System;

namespace ConsoleApplication_C_Sharp
{
    class Program
    {
        static void Main(string[] args)
        {
            char[] arr = new char[5];

            for (int i = 0; i < arr.Length; i++)
                arr[i] = 'a';

            foreach (char ch in arr)
                Console.WriteLine(ch);
        }
    }
}


/*
run:

a
a
a
a
a

*/

 

70+ SQL courses for beginners and professionals

Answer 3

using System;

namespace ConsoleApplication_C_Sharp
{
    class Program
    {
        static void Main(string[] args)
        {
            char[] arr = new char[5];

            for (int i = 0, j = 97; i < arr.Length; i++, j++)
                arr[i] = Convert.ToChar(j);

            foreach (char ch in arr)
                Console.WriteLine(ch);
        }
    }
}


/*
run:

a
b
c
d
e

*/

 

70+ SQL courses for beginners and professionals

Answer 4

using System;
using System.Linq;

namespace ConsoleApplication_C_Sharp
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] arr = Enumerable.Range(3, 7).ToArray();

            foreach (int n in arr)
                Console.WriteLine(n);
        }
    }
}


/*
run:

3
4
5
6
7
8
9

*/

 

70+ SQL courses for beginners and professionals

Answer 5

using System;

namespace ConsoleApplication_C_Sharp
{
    class Program
    {
        static void Main(string[] args)
        {
            char[] arr = {'a', '+', 'c', 'x'};

            foreach (char ch in arr)
                Console.WriteLine(ch);
        }
    }
}


/*
run:
        
a
+
c
x
   
*/

 

70+ SQL courses for beginners and professionals