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POHow to wait for all the treads inside a loop to finish running
 

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  1. POHow to wait for all the treads inside a loop to finish running
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    <p>Following code will call a function name <code>dictionary_match</code>. This function will run for few seconds. Therefore, I used the following code to call this function parallely for each word that I want to check with a dictionary. Can you please tell me how can I wait till all 5 instances of the function finish running before I view the result(rather than having to use <code>Thread.Sleep(6000);</code> as shown bellow)?</p> <pre><code> string[] rand_word = {apple, bannnana, cat, dog, eatttt}//5 words to check with the dictionary. Amount of words in here can vary later, that's why I am using a loop bellow string likelihood = 0; foreach (string line in rand_word) { Thread thread1 = new Thread(new ThreadStart(() =&gt; dictionary_match(line, ref likelihood))); thread1.Start(); Console.WriteLine("Value of likelihood Inside the Loop= " + likelihood); //Will show 0 since the dictionary_match function isn't finished running } Console.WriteLine("Value of likelihood after the Loop= " + likelihood);//Will give 0 since the dictionary_match function isn't finished Thread.Sleep(6000); Console.WriteLine("Final Value likelihood = " + likelihood); //After pausing for a while, dictionary_match function finished processing and gives an appropriate value for likelihood variable </code></pre> <hr> <pre><code>void dictionary_match(string word, ref double likelihood)//To see if the word is presented in the dictionary { //after processing for few seconds, if the word is present in the dictionary likelihood++; } </code></pre>
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    1. COYou may want to use `Interlocked.Increment` to increment the shared `likelihood` variable - http://msdn.microsoft.com/en-us/library/dd78zt0c.aspx
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