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string + null
//Rextester.Program.Main is the entry point for your code. Don't change it. //Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5 using System; using System.Collections.Generic; using System.Linq; using System.Text.RegularExpressions; namespace Rextester { public class Program { public static void Main(string[] args) { //Your code goes here string test = (string)null; if(test == null) { Console.WriteLine("test null = "+test); } else if(test == ""){ Console.WriteLine("test is empty = "+test); } } } }
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Area and Parameter of Circle
12
ConcurrentStack<T>
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text
Ezaz
Enumerable
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7.1. Asynchrony: the new approach