how to add items in int array c# code example

Example 1: c# create array of int

int[] array = new int[]; // []
int[] array = new int[5]; // [0, 0, 0, 0, 0]
int[] array1 = new int[] { 1, 3, 5, 7, 9 };

Example 2: 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 3: c# int array add number

arr[index] = value;