/** * java获取 当月所有的日期集合 * @return */public static List<Date> getDayListOfMonth() { List list = new ArrayList(); Calendar aCalendar = Calendar.getInstance(Locale.CHINA); int year = aCalendar.get(Calendar.YEAR);//年份 int month = aCalendar.get(Calendar.M
package huolongluo.family.util; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; /** * Created by 火龙裸 on 2018/7/13. */ public class Number_Of_Days { /** * 获取当月的 天数 */ public static int getCurrentMonthDay() { Calend
1.错误描述 Exception in thread "main" java.lang.IllegalArgumentException: Cannot format given Object as a Date at java.text.DateFormat.format(Unknown Source) at java.text.Format.format(Unknown Source) at com.you.freemarker.model.FirstDayOfQuarter.ge
Learn From:http://blog.csdn.net/sunhuwh/article/details/39161323 public class CalendarTest { public static void main(String[] args) { // 获取当前年份.月份.日期 Calendar cale = null; cale = Calendar.getInstance(); int year = cale.get(Calendar.YEAR); int month =
原文地址:http://bdcwl.blog.163.com/blog/static/765222652009104171521/ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); Date date = sdf.parse("2009-11-04");//String-->Date String sdate = sdf.format(date );// Data-->String Ti
Java 反射理解(三)-- Java获取方法信息 基本的数据类型.void关键字,都存在类类型. 举例如下: public class ClassDemo2 { public static void main(String[] args) { Class c1 = int.class;//int 的类类型 Class c2 = String.class;//String类的类类型,可以理解为String类字节码 Class c3 = double.class; Class c4 = Doubl