考察输入的使用, 代码如下:

import java.io.BufferedReader;import java.io.InputStreamReader;public class Main {    public static void main(String[] args) throws Exception{        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));        int num = Integer.parseInt(br.readLine());        String[][] people = new String[num][2];        double finalNum;        for(int i=0; i