calendar

Calendar java util return the wrong month [duplicate]

半世苍凉 提交于 2020-01-22 03:29:10
问题 This question already has answers here : Calendar returns wrong month (9 answers) Closed 5 years ago . i'm trying to make GUI that allowed people to save there shifts in a calendar. i'm trying to build my calendar using import java.uti.Calendar. during trying to print the Month it bring me back the current month 10 instead of 11 , any suggestions? package hours_report; import hours_report.MyPanel.MyActionListener; import java.util.Calendar; import java.util.Date; public class MyCalendar {

Convert Date by TimeZone

跟風遠走 提交于 2020-01-21 19:44:54
问题 In that code above I want to transform a Date by the TimeZone of Server (GMT-02:00) to TimeZone from my Device (GMT-03:00). But I Always have the same Date of the server. What I doing wrong? TimeZone timeZoneServer = TimeZone.getTimeZone(timeZoneServerString); Long time = new Long(Long.valueOf(timeInMilis)); Calendar calendarDateServer = Calendar.getInstance(timeZoneServer); calendarDateServer.setTimeInMillis(time); long miliServer = calendarDateServer.getTimeInMillis(); TimeZone timeZoneMeu

Convert Date by TimeZone

风流意气都作罢 提交于 2020-01-21 19:44:05
问题 In that code above I want to transform a Date by the TimeZone of Server (GMT-02:00) to TimeZone from my Device (GMT-03:00). But I Always have the same Date of the server. What I doing wrong? TimeZone timeZoneServer = TimeZone.getTimeZone(timeZoneServerString); Long time = new Long(Long.valueOf(timeInMilis)); Calendar calendarDateServer = Calendar.getInstance(timeZoneServer); calendarDateServer.setTimeInMillis(time); long miliServer = calendarDateServer.getTimeInMillis(); TimeZone timeZoneMeu

Convert Date by TimeZone

牧云@^-^@ 提交于 2020-01-21 19:43:26
问题 In that code above I want to transform a Date by the TimeZone of Server (GMT-02:00) to TimeZone from my Device (GMT-03:00). But I Always have the same Date of the server. What I doing wrong? TimeZone timeZoneServer = TimeZone.getTimeZone(timeZoneServerString); Long time = new Long(Long.valueOf(timeInMilis)); Calendar calendarDateServer = Calendar.getInstance(timeZoneServer); calendarDateServer.setTimeInMillis(time); long miliServer = calendarDateServer.getTimeInMillis(); TimeZone timeZoneMeu

Convert Date by TimeZone

梦想的初衷 提交于 2020-01-21 19:43:07
问题 In that code above I want to transform a Date by the TimeZone of Server (GMT-02:00) to TimeZone from my Device (GMT-03:00). But I Always have the same Date of the server. What I doing wrong? TimeZone timeZoneServer = TimeZone.getTimeZone(timeZoneServerString); Long time = new Long(Long.valueOf(timeInMilis)); Calendar calendarDateServer = Calendar.getInstance(timeZoneServer); calendarDateServer.setTimeInMillis(time); long miliServer = calendarDateServer.getTimeInMillis(); TimeZone timeZoneMeu

I want to get number of weeks in a particular month

旧时模样 提交于 2020-01-21 02:39:27
问题 i want to get number of weeks in current month.That including the previous month's days in the last week and the first week days in the next month. Something like this: I want to use this in a certain gridview adapter on android and am trying to manipulate this code block: //FIRST_DAY_OF_WEEK =0; int lastDay = month.getActualMaximum(Calendar.DAY_OF_MONTH); int firstDay = (int) month.get(Calendar.DAY_OF_WEEK); int firstDayNextMonth = nextMonth.get(Calendar.DAY_OF_WEEK); int lastDayNextMonth

How to get number of days between two calendar instance?

∥☆過路亽.° 提交于 2020-01-20 15:32:17
问题 I want to find the difference between two Calendar objects in number of days if there is date change like If clock ticked from 23:59-0:00 there should be a day difference. i wrote this public static int daysBetween(Calendar startDate, Calendar endDate) { return Math.abs(startDate.get(Calendar.DAY_OF_MONTH)-endDate.get(Calendar.DAY_OF_MONTH)); } but its not working as it only gives difference between days if there is month difference its worthless. 回答1: In Java 8 and later, we could simply use

How to get number of days between two calendar instance?

北战南征 提交于 2020-01-20 15:30:56
问题 I want to find the difference between two Calendar objects in number of days if there is date change like If clock ticked from 23:59-0:00 there should be a day difference. i wrote this public static int daysBetween(Calendar startDate, Calendar endDate) { return Math.abs(startDate.get(Calendar.DAY_OF_MONTH)-endDate.get(Calendar.DAY_OF_MONTH)); } but its not working as it only gives difference between days if there is month difference its worthless. 回答1: In Java 8 and later, we could simply use

How to get number of days between two calendar instance?

荒凉一梦 提交于 2020-01-20 15:30:29
问题 I want to find the difference between two Calendar objects in number of days if there is date change like If clock ticked from 23:59-0:00 there should be a day difference. i wrote this public static int daysBetween(Calendar startDate, Calendar endDate) { return Math.abs(startDate.get(Calendar.DAY_OF_MONTH)-endDate.get(Calendar.DAY_OF_MONTH)); } but its not working as it only gives difference between days if there is month difference its worthless. 回答1: In Java 8 and later, we could simply use

How to get number of days between two calendar instance?

£可爱£侵袭症+ 提交于 2020-01-20 15:27:28
问题 I want to find the difference between two Calendar objects in number of days if there is date change like If clock ticked from 23:59-0:00 there should be a day difference. i wrote this public static int daysBetween(Calendar startDate, Calendar endDate) { return Math.abs(startDate.get(Calendar.DAY_OF_MONTH)-endDate.get(Calendar.DAY_OF_MONTH)); } but its not working as it only gives difference between days if there is month difference its worthless. 回答1: In Java 8 and later, we could simply use