Leetcode p1154一年有多少天

package leetcode;

import java.util.Scanner;

public class P1154 {
public static void main(String[] args) {
//0为平年 1为闰年
int[][] a = {{31,28,31,30,31,30,31,31,30,31,30,31},{31,29,31,30,31,30,31,31,30,31,30,31}};
Scanner scanner = new Scanner(System.in);
String date = scanner.nextLine();
int year = Integer.parseInt(date.substring(0,4)); //获取年
int month = Integer.parseInt(date.substring(5,7)); //获取月
int day = Integer.parseInt(date.substring(8,10)); //获取日

 //判断闰年平年
 int switchded = 0;
 if (year % 4==0 && year %100 !=0 || year%400==0) {
     switchded = 1;
 }

 //总天数
 int sum = 0;

 //开始计算
 for (int i = 0; i < month-1; i++) {
     sum += a[switchded][i];
 }
 sum+=day;

}
}