.: Programming :.: [Java] Fibonacci Number Iterative

[Java] Fibonacci Number Iterative

(Jul 11, 2008)

There is a program for Fibonacci Number normal and abnormal


/*Fibonacci Number
author http://www.programming-codes.co.cc*/

import java.util.*;
class Fibonacci{
 public static void main(String args[]){
  int a,b,c,input;
  Scanner read = new Scanner(System.in);
  a=0;
  b=1;
  c=1;
  System.out.print("   *Program Fibonacci Normal dan Tak Normal*\n\n");
  System.out.print("Masukkan banyaknya deret fibonacci= ");
  input = read.nextInt();
  System.out.print("Deret Fibonacci Normal= ");
  for(int i=1;i<=input;i++){
   System.out.print(c+" ");
   c = a+b;
   a = b;
   b = c;
  }
  a=0;
  b=1;
  c=1;
  System.out.print("\nDeret Fibonacci Tak Normal= ");
  for(int i=1;i<=input;i++){
   if (i % 2 == 0)
         {
              c=c*(-1);
         }
         else
         {
              c=c*1;
         }
   System.out.print(c+" ");
   c = a+b;
   a = b;
   b = c;
  }
  System.out.println();
 }
}