Which is more efficient for loop or while loop?

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What?s different about switch statements in C#?

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Explain jagged arrays in c#?

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Using system; class main { public static void Main() { int a = 1; for (int i = 0; i < 10; i++) { int j = a * 5; Console.WriteLine(a + "*5=" + j); a++; } Console.ReadLine(); } }

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What is yield in c#?

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What is an array? Give the syntax for a single and multi-dimensional array?

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What?s the top .NET class that everything is derived from?

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What is the difference between hashtable and dictionary in c#?

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Does c# support properties of array types?

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Why do we need constructors?

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how to handle errors in sqlserver

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What does the keyword virtual mean in the method definition?

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