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// Assume we have an array of strings



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[book] [en] Pro C# 2008 and the NET 3.5 Platform Fourth Edition

// Assume we have an array of strings.

string[] currentVideoGames = {"Morrowind", "BioShock",

"Half Life 2: Episode 1", "The Darkness",

"Daxter", "System Shock 2"};

Console.ReadLine();

}

Now, update Main() to invoke QueryOverStrings():



static void Main(string[] args)

{

Console.WriteLine("***** Fun with LINQ *****\n");



QueryOverStrings();

Console.ReadLine();

}

When you have any array of data, it is very common to extract a subset of items based on a



given requirement. Maybe you want to obtain only the items with names that contain a number

(e.g., System Shock 2 and Half Life 2: Episode 1), have more than some number of characters, or

don’t have embedded spaces (e.g., Morrowind). While you could certainly perform such tasks using

members of the System.Array type and a bit of elbow grease, LINQ query expressions can greatly

simplify the process.

Going on the assumption that we wish to obtain a subset from the array that contains items

with names consisting of more than six characters, we could build the following query expression:

static void QueryOverStrings()

{


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