How to give an array C# property a default value? [duplicate]

Question

So I know with normal properties you can give it a default value eg.

public int someMethod { get; } = 1;

So my question is it possible to do the same with an array property?

public int[] someMethod {get; } = ??

Thanks!

Yes you can do it with an array, or any other data type. And what you type in is exactly the same as if it was some local variable. — gunr2171
– gunr2171, Commented Mar 22, 2022 at 2:50
@gunr2171 thanks! That helped me. I just wasn't sure how to initialise the array without knowing the length of the array but the empty method worked a treat. Thanks — Tim
– Tim, Commented Mar 22, 2022 at 3:01

CorrieJanse · Accepted Answer · 2022-03-22 02:54:37Z

1

public int[] someMethod {get; } = new int[] { 1, 2, 3, ... };

answered Mar 22, 2022 at 2:54

CorrieJanse

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5 Comments

Tim Over a year ago

What if I don't know the length of the array?

gunr2171 Over a year ago

You can't initialize an array without knowing the length of it.

CorrieJanse Over a year ago

@gunr2171 you are implicitly specifying the length of the array when you are initializing the default values. dotnetfiddle.net/GaWNxE

gunr2171 Over a year ago

Yeah, you either type a number in the square brackets, or you have a set number of elements in the curly braces. Either way, you have to know the length of the array when you initialize it.

OhmnioX Over a year ago

If you don't know the length, then List<T> is a better choice. Create List at compile time

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