c# – All possible array initialization syntaxes – Stack Overflow

new int[3] new int[3] { 10, 20, 30 } new int[] { 10, 20, 30 } new[] { 10, 20, 30 } In the first one, the size may be any non-negative integral value and the array elements are initialized to the default values. In the second one, the size must be a constant and the number of elements given must match.

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