Check out example codes for "c# initialize array". It will help you in understanding the concepts better.

Code Example 1

string[] stringArray = new string[6];
//or
int[] array1 = new int[] { 1, 3, 5, 7, 9 };
//
string[] weekDays = new string[] { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };
//etc

Code Example 2

var array = new int[] { 1, 2, 3 }
var array2 = new ObjectName[] { /* add element to array here */ };

Code Example 3

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

Code Example 4

// whatever type you want
public GameObject[] Players;

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