java斐波纳契数列

The Fibonacci numbers Fn are defined as follows: F0 is 1, F1 is 1, and Fi+2 = Fi + Fi+1 , where i = 0, 1, 2, . . . . In other words, each number is the sum of the previous two numbers. The first few Fibonacci numbers are 1, 1, 2, 3, 5, and 8.