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  • juli jul
    #1

    strings

    Hello ,
    wanted to know if it's possible to create a set (enum or array) of
    strings and than make the IndexOf method on it.
    I have 6 strings and I want to chack if the string I read is one of them
    (with IndexOf!=-1)
    How to do it the best?
    Thanks a lot

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    • Jon Skeet [C# MVP]
      #2
      Re: strings

      juli jul <juli8024@yahoo .com> wrote:[color=blue]
      > wanted to know if it's possible to create a set (enum or array) of
      > strings and than make the IndexOf method on it.
      > I have 6 strings and I want to chack if the string I read is one of them
      > (with IndexOf!=-1)
      > How to do it the best?[/color]

      Yes, just create a string array and then use the static Array.IndexOf
      method. Alternatively, put them in an ArrayList and use the instance
      method ArrayList.Index Of.

      --
      Jon Skeet - <skeet@pobox.co m>
      Pobox is now part of Fastmail
      http://www.pobox.com/~skeet
      Pobox has been discontinued as a separate service, and all existing customers moved to the Fastmail platform.

      If replying to the group, please do not mail me too

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        • juli jul
          #3
          Re: strings

          I am doing it in if with all the strings,could it slow down the
          performance or it supposed to be the same as with an array?



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            • Jon Skeet [C# MVP]
              #4
              Re: strings

              juli jul <juli8024@yahoo .com> wrote:[color=blue]
              > I am doing it in if with all the strings,could it slow down the
              > performance or it supposed to be the same as with an array?[/color]

              I'm not entirely sure what you're asking - are you asking if the
              performance of Array.IndexOf is the same as ArrayList.Index Of? If so, I
              suspect the difference (if any) is going to be negligible compared with
              most other aspects of your program.

              --
              Jon Skeet - <skeet@pobox.co m>
              Pobox is now part of Fastmail
              http://www.pobox.com/~skeet
              Pobox has been discontinued as a separate service, and all existing customers moved to the Fastmail platform.

              If replying to the group, please do not mail me too

                Comment

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