the shortcut operators: +=, *=, /= : Shortcut Operator « Operator « C# / CSharp Tutorial

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3. Shortcut Operator

class MainClass
{

  public static void Main()
  {

    int length = 1;

    length += 10;
    System.Console.WriteLine("length = " + length);

    length *= 2;  // multiplies length by 2
    System.Console.WriteLine("length = " + length);

    length /= 3;  // divides length by 3
    System.Console.WriteLine("length = " + length);

  }

}

length = 11
length = 22
length = 7