斐波那契数列

public class Fibonacci {public static long fib(int n){long fibMinOne=1;long fibMinTwo=0;if(n==0) return fibMinTwo;if(n==1) return fibMinOne;long fibN=0;for(int i=2;i<=n;i++){fibN=fibMinOne+fibMinTwo;fibMinTwo=fibMinOne;fibMinOne=fibN;}return fibN;}public static void main(String[] args) {System.out.println(fib(6));}}