how to insert user given values into a given array in c# [duplicate]

Question

//given array in main class
 
class Program
    
{

        static void Main(string[] args)
        {
            int[] nums = new int[] { 1, 5, 7, 10, 20, 12};
            BinaryTree bt = new BinaryTree();
            
            //what I want to do
            bt.insertElement(45);

        }

   }

// don't mind that the class says binarytree I just want to know how to insert a number in an array

public class BinaryTree

{
   
    public void insertElement(int num)
     {

        //not sure how to go about it

     }

}

You cant insert element to an array. Why dont you use just List<T>? If you have to or want to use array, you should create a list from existing array then add new element to List then convert it back to array. But why do you even need this? — SeLeCtRa
– SeLeCtRa, Commented Mar 5, 2021 at 23:01
it's part of my assignment where my teacher wants it where a user can insert a new value into an array then use the numbers of that array to insert that into a binary tree then print out the values using in-order traversal — Jean Coupet
– Jean Coupet, Commented Mar 5, 2021 at 23:29

Serge · Accepted Answer · 2021-03-05 23:10:23Z

0

try this:

class Program

{

    static void Main(string[] args)
    {
        int[] nums = new int[] { 1, 5, 7, 10, 20, 12 };

        insertElement(ref nums, 45);

    }

    public static void insertElement(ref  int[] nums, int num)
    {
        var temp = nums.ToList();
        temp.Add(45);
        nums = temp.ToArray();
        }
}

answered Mar 5, 2021 at 23:10

Serge

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