while loop to calculate and display the Fibonacci numbers less than 50 : While « Language Basics « C# / C Sharp

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C# / C Sharp » Language Basics » WhileScreenshots 
while loop to calculate and display the Fibonacci numbers less than 50
while loop to calculate and display the Fibonacci numbers less than 50

/*
Mastering Visual C# .NET
by Jason Price, Mike Gunderloy

Publisher: Sybex;
ISBN: 0782129110
*/
/*
  Example4_9.cs illustrates the use of
  a while loop to calculate and display
  the Fibonacci numbers less than 50
*/

public class Example4_9
{

  public static void Main()
  {

    // initialize the first two numbers in the sequence
    int oldNumber = 1;
    int currentNumber = 1;

    int nextNumber;

    System.Console.Write(currentNumber + " ");

    while (currentNumber < 50)
    {
      System.Console.Write(currentNumber + " ");

      // calculate the next number by adding the
      // current number to the old number
      nextNumber = currentNumber + oldNumber;

      oldNumber = currentNumber;
      currentNumber = nextNumber;
    }

  }

}


           
       
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