斐波那契数列

package test01;public class Test03 {public static void main(String[] args) {for (int i=1;i<=20;i++){int num = getNum(i);System.out.println("第 " + i + " 月份，兔子的数量为： " + num);}}public static int getNum(int i){if((i==1)||(i==2)){return 1;}else{return getNum(i-1)+getNum(i-2);}}}

斐波那契数列是满足get(n+2)=get(n)+get(n+1)的数列