文章标题

package com.office.eight;

public class Main {

public long fibonacci(int n){
long result =0;
long preOne = 1;
long preTwo = 0;
if( n == 0){
return preTwo;
}
if(n == 1){
return preOne;
}
for(int i = 2;i<= n ;i++){
result = preOne+preTwo;
preTwo = preOne;
preOne = result;
}
return result;
}
public static void main(String[] args){
Main fabonacci = new Main();
System.out.println(fabonacci.fibonacci(10));
}
}