计算fibonacci数列

public class Fibo {
	int i;
	Fibo(int i){
		this.i=i;
	}
	
	int work(int n){
		if(n==2||n==1)
			return 1;
		else
			return (work(n-1)+work(n-2));
	}
	
	void print(){
		System.out.print(work(i));
	}
	
}