Java for several days in February

Demand: Get any one year, how many days in February

• 1. keyboard input in any year
• 2. Set the calendar object of year, month, day
  year: from keyboard input
  month: Set to March, when the month starts from 0, so the value of 2 set
  day: 1st set
• 3. March 1 to push forward, is the last day of February
• 4. Access to this day output

public class CalendarTest {
	public static void main(String[] args) {
		
			//输入任意年份
			Scanner sc = new Scanner(System.in);
			System.out.println("请输入任意年份：");
			int year = sc.nextInt();
			
			Calendar c = Calendar.getInstance();
			c.set(year,2,1);
			
			c.add(Calendar.DATE, -1);
			
			int date = c.get(Calendar.DATE);
			System.out.println(year+"年"+"二月有"+date+"天");
		}
}