Fabonachi_iterative.java

public class HelloWorld{

     public static void main(String []args){
        int p = 0;
        int q = 1;
        int n = 13;
        int tmp = 0;
        while(n > 0){
          System.out.println(q);
          tmp = q;
          q = q + p;
          p = tmp;
          n = n - 1;
        }
     }
}