Fibonacci [java重学]

public class Test{public static void main(String args[]){new Fibonacci(7);}}class Fibonacci{Fibonacci(int n){int x=1,y=1;switch(n){case 1:System.out.println(x);break;case 2:default:{System.out.println(x);System.out.println(y);int m;for(int i=3;i<=n;i++){m=x+y;x=y;y=m;System.out.println(m);}}}}}