简单的斐波那契数列

package com.sq.test;import java.util.Scanner;public class Test2 {public static void main(String[] args) {Scanner input = new Scanner(System.in);int count = input.nextInt();int a = 0;int b = 1;boolean is = true;if(count==0){System.out.println(0);}else if(count==1){System.out.println(1);}else{for(int i = 2;i<=count;i++){if(i%2==0){a=a+b;is = false;}else{b=a+b;is = true;}}if(is){System.out.println(b);}else{System.out.println(a);}}}}