Short Circuit Evaluation

The below code snippet shows how .NET evaluates expressions in if statement.

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string x = null;
if (!string.IsNullOrEmpty(x) && x.ToString().Equals(""))
Console.WriteLine("True");
else
Console.WriteLine("False");

if (string.IsNullOrEmpty(x) || x.ToString().Equals(""))
Console.WriteLine("True");
else
Console.WriteLine("False");

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Output:
False
True