C# how to add element to an array code example

Example 1: c# add element to array

private T[] AddElementToArray<T>(T[] array, T element) {
    T[] newArray = new T[array.Length + 1];
    int i;
    for (i = 0; i < array.Length; i++) {
        newArray[i] = array[i];
    }
    newArray[i] = element;
    return newArray;
}

Example 2: c# how to append in array

int[] terms;

for(int runs = 0; runs < 400; runs++)
{
    terms[] = runs;
}