C declare empty string array

Question

I need to declare an empty string array and i m using this code  string   arr   new String 0       But I get  method name expected  error   What s wrong

User · Answer

Your syntax is invalid   string   arr   new string 5     That will create arr  a referenced array of strings  where all elements of this array are null   Since strings are reference types   This array contains the elements from arr 0  to arr 4   The new operator is used to create the array and initialize the array elements to their default values  In this example  all the array elements are initialized to null   Single-Dimensional Arrays  C  Programming Guide

User · Answer

If you must create an empty array you can do this   string   arr   new string 0     If you don t know about the size then You may also use List lt string gt  as well like  var valStrings   new List lt string gt         do stuff     string   arrStrings   valStrings ToArray

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Arrays  constructors are different  Here are some ways to make an empty string array   var arr   new string 0   var arr   new string      var arr   Enumerable Empty lt string gt    ToArray      sorry  on mobile

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Try this  string   arr   new string

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Your syntax is wrong   string   arr   new string        or  string   arr   new string 0

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You can try this  string   arr

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If you are using   NET Framework 4 6 and later  they have some new syntax you can use  using System      To pick up definition of the Array class   var myArray   Array Empty lt string gt

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The following should work fine   string   arr   new string

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Those curly things are sometimes hard to remember  that s why there s excellent documentation      Declare a single-dimensional array   int   array1   new int 5

[c#] C# declare empty string array

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