用java scanner写 输入10 输出f(10.0)=0.1

Question

Answer 1

public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        float x= sc.nextFloat(),y;
        if(x==0) y=0;
        else y=1/x;
        System.out.format("f(%.1f) = %.1f",x,y);
    }

 觉得有用的话采纳一下哈