版权声明:转载注明来源。Keep Learning and Coding. https://blog.csdn.net/a771581211/article/details/88355986
package day03;
import java.util.Calendar;
/**
* 获取某一个时间分量所允许的最大值。
* @author kaixu
*
*/
public class CalendarDemo4 {
public static void main(String[] args) {
Calendar calendar = Calendar.getInstance();
//当月总共有多少天?
int daysm = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
System.out.println("本月一共有"+daysm+"天。");
//查看2019年2月有多少天?
calendar.set(Calendar.MONTH, 1);
daysm = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
System.out.println("2019年2月一共有"+daysm+"天。");
int daysy = calendar.getActualMaximum(Calendar.DAY_OF_YEAR);
System.out.println("今年一共有"+daysy+"天。");
}
}