Recursive fibonacci method : Recursive Method « Class Definition « Java Tutorial

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Java Tutorial » Class Definition » Recursive Method

5. 10. 5. Recursive fibonacci method


public class MainClass {

  // recursive declaration of method fibonacci

  public static long fibonacci(long number) {

    if ((number == 0) || (number == 1)) // base cases

      return number;

    else

      // recursion step

      return fibonacci(number - 1) + fibonacci(number - 2);

  }



  public static void main(String[] args) {

    for (int counter = 0; counter <= 10; counter++)

      System.out.printf("Fibonacci of %d is: %d\n", counter, fibonacci(counter));

  }

}

Fibonacci of 0 is: 0
Fibonacci of 1 is: 1
Fibonacci of 2 is: 1
Fibonacci of 3 is: 2
Fibonacci of 4 is: 3
Fibonacci of 5 is: 5
Fibonacci of 6 is: 8
Fibonacci of 7 is: 13
Fibonacci of 8 is: 21
Fibonacci of 9 is: 34
Fibonacci of 10 is: 55

5. 10. Recursive Method
	5. 10. 1.	Recursion: a method (function) calls itself
	5. 10. 2.	The Towers of Hanoi
	5. 10. 3.	Recursion: another example
	5. 10. 4.	Recursive factorial method
	5. 10. 5.	Recursive fibonacci method
	5. 10. 6.	Recursive method to find all permutations of a String

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