Java getMinutes and getHours

Question

How do you get Hours and Minutes since Date getHours and Date getMinutes got deprecated  The examples that I found on Google search used the deprecated methods

User · Answer

One more way of getting minutes and hours is by using SimpleDateFormat   SimpleDateFormat formatMinutes   new SimpleDateFormat  mm   String getMinutes   formatMinutes format new Date     SimpleDateFormat formatHours   new SimpleDateFormat  HH   String getHours   formatHours format new Date

User · Answer

I would recommend looking ad joda time  http   www joda org joda-time   I was afraid of adding another library to my thick project  but it s just easy and fast and smart and awesome  Plus  it plays nice with existing code  to some extent

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From the Javadoc for Date getHours  As of JDK version 1 1  replaced by Calendar get Calendar HOUR OF DAY   So use   Calendar rightNow   Calendar getInstance    int hour   rightNow get Calendar HOUR OF DAY     and the equivalent for getMinutes

User · Answer

tl dr  ZonedDateTime now   getHour         or      LocalTime now   getHour      ZonedDateTime  The Answer by J D  is good but not optimal  That Answer uses the LocalDateTime class  Lacking any concept of time zone or offset-from-UTC  that class cannot represent a moment    Better to use ZonedDateTime    ZoneId z   ZoneID of   America Montreal      ZonedDateTime zdt   ZonedDateTime now  z       Specify time zone  If you omit the ZoneId argument  one is applied implicitly at runtime using the JVM   s current default time zone    So this    ZonedDateTime now        is the same as this   ZonedDateTime now  ZoneId systemDefault       Better to be explicit  passing your desired expected time zone  The default can change at any moment during runtime   If critical  confirm the time zone with the user    Hour-minute  Interrogate the ZonedDateTime for the hour and minute   int hour   zdt getHour     int minute   zdt getMinute       LocalTime  If you want just the time-of-day without the time zone  extract LocalTime   LocalTime lt   zdt toLocalTime       Or skip ZonedDateTime entirely  going directly to LocalTime    LocalTime lt   LocalTime now  z         Capture the current time-of-day as seen in the wall-clock time used by the people of a particular region  a time zone     java time types      About java time  The java time framework is built into Java 8 and later  These classes supplant the troublesome old legacy date-time classes such as java util Date  Calendar   amp  SimpleDateFormat   To learn more  see the Oracle Tutorial  And search Stack Overflow for many examples and explanations  Specification is JSR 310   The Joda-Time project  now in maintenance mode  advises migration to the java time classes   You may exchange java time objects directly with your database  Use a JDBC driver compliant with JDBC 4 2 or later  No need for strings  no need for java sql   classes   Where to obtain the java time classes     Java SE 8  Java SE 9  Java SE 10  Java SE 11  and later  - Part of the standard Java API with a bundled implementation    Java 9 adds some minor features and fixes   Java SE 6 and Java SE 7   Most of the java time functionality is back-ported to Java 6  amp  7 in ThreeTen-Backport   Android   Later versions of Android bundle implementations of the java time classes  For earlier Android   lt 26   the ThreeTenABP project adapts ThreeTen-Backport  mentioned above   See How to use ThreeTenABP        The ThreeTen-Extra project extends java time with additional classes  This project is a proving ground for possible future additions to java time  You may find some useful classes here such as Interval  YearWeek  YearQuarter  and more

User · Answer

import java util  You can gethour and minute using calendar and formatter class  Calendar cal   Calendar getInstance   and Formatter fmt new Formatter   and set a format for display  hour and minute fmt format   tl  M  cal cal and print System out println fmt       output shows like 10 12

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java time  While I am a fan of Joda-Time  Java 8 introduces the java time package which is finally a worthwhile Java standard solution  Read this article  Java SE 8 Date and Time  for a good amount of information on java time outside of hours and minutes    In particular  look at the LocalDateTime class   Hours and minutes   LocalDateTime now   getHour    LocalDateTime now   getMinute

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Try using Joda Time instead of standard java util Date classes  Joda Time library has much better API for handling dates   DateTime dt   new DateTime        current time int month   dt getMonth           gets the current month int hours   dt getHourOfDay       gets hour of day   See this question for pros and cons of using Joda Time library    Joda Time may also be included to some future version of Java as a standard component  see JSR-310     If you must use traditional java util Date and java util Calendar classes  see their JavaDoc s for help  java util Calendar and java util Date    You can use the traditional classes like this to fetch fields from given Date instance   Date date   new Date         given date Calendar calendar   GregorianCalendar getInstance       creates a new calendar instance calendar setTime date        assigns calendar to given date  calendar get Calendar HOUR OF DAY      gets hour in 24h format calendar get Calendar HOUR             gets hour in 12h format calendar get Calendar MONTH            gets month number  NOTE this is zero based

User · Answer

Try Calender  Use getInstance to get a Calender-Object  Then use setTime to set the required Date  Now you can use get int field  with the appropriate constant like HOUR OF DAY or so to read the values you need   http   java sun com javase 6 docs api java util Calendar html

User · Answer

int hr Time valueOf LocalTime now    getHours    int minutes Time valueOf LocalTime now    getMinutes      These functions will return int values in hours and minutes

User · Answer

public static LocalTime time         LocalTime ldt   java time LocalTime now         ldt   ldt truncatedTo ChronoUnit MINUTES       System out println ldt       return ldt      This works for me

User · Answer

While I wouldn t recommend doing so  I think it s worth pointing out that although many methods on java util Date have been deprecated  they do still work  In trivial situations  it may be OK to use them  Also  java util Calendar is pretty slow  so getMonth and getYear on Date might be be usefully quicker

User · Answer

First  import java util Calendar  Calendar now   Calendar getInstance    System out println now get Calendar HOUR OF DAY          now get Calendar MINUTE

[java] Java: getMinutes and getHours

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