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GustavAT

Gutefrage 001

Sep 2nd, 2016
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C# 0.23 KB | None | 0 0
  1. Console.WriteLine("Zahl eingeben: ");
  2. var str = Console.ReadLine();
  3. int x;
  4. var success = int.TryParse(str, out x);
  5.  
  6. if (success) {
  7.     Console.WriteLine("{0} + {0} = {1}", x, x*2);
  8. } else {
  9.     Console.WriteLine("Ungueltige Eingabe!");
  10. }
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