免子生免子

    public class J01{
        //用整形数组实现
        private static int[] calRubbit(int mouth)
        {
            int[] Rubbits = new int[mouth];
            for(int i=0;i<mouth;i++)
            {
                if(i<2)
                    Rubbits[i]=1;
                else
                    Rubbits[i]=Rubbits[i-1]+Rubbits[i-2];
            }
            return Rubbits;
        }
        public static void main(String args[]){
            int mouth = 20;
            int[] Rubbits = calRubbit(mouth);
            for(int i : Rubbits)
            System.out.print(i+"\t");
        }
    }

    public class J01o1{
        //用变量之间的赋值来解决
        public static void main(String args[])
        {
            System.out.println(1);
            System.out.println(1);
            int a1 = 1 , a2 = 1 ,a3=0,mouth=18;
            for(int i=0;i<mouth;i++)
            {
                a3 = a1 + a2;
                a1 = a2;
                a2 = a3;
                System.out.println(a3);
            }
        }
    }

    public class J01o2{
        //此处用递归求出某个月的兔子对数
        public static int RubbitNums(int mouth)
        {
            if(mouth<3)
                return 1;
            else
                return RubbitNums(mouth-1)+RubbitNums(mouth-2);
        }
        public static void main(String argsp[])
        {
            for(int i=0;i<20;i++)
            {
                System.out.println(RubbitNums(i+1));
            }
        }
    }