From class Date
Long |
UTC(year: Int, month: Int, date: Int, hrs: Int, min: Int, sec: Int)
Determines the date and time based on the arguments. The arguments are interpreted as a year, month, day of the month, hour of the day, minute within the hour, and second within the minute, exactly as for the Date constructor with six arguments, except that the arguments are interpreted relative to UTC rather than to the local time zone. The time indicated is returned represented as the distance, measured in milliseconds, of that time from the epoch (00:00:00 GMT on January 1, 1970).
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Boolean |
after(when: Date!)
Tests if this date is after the specified date.
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Boolean |
before(when: Date!)
Tests if this date is before the specified date.
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Any |
clone()
Return a copy of this object.
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Int |
compareTo(other: Date!)
Compares two Dates for ordering.
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Boolean |
equals(other: Any?)
Compares two dates for equality. The result is true if and only if the argument is not null and is a Date object that represents the same point in time, to the millisecond, as this object.
Thus, two Date objects are equal if and only if the getTime method returns the same long value for both.
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Date! |
from(instant: Instant!)
Obtains an instance of Date from an Instant object.
Instant uses a precision of nanoseconds, whereas Date uses a precision of milliseconds. The conversion will truncate any excess precision information as though the amount in nanoseconds was subject to integer division by one million.
Instant can store points on the time-line further in the future and further in the past than Date. In this scenario, this method will throw an exception.
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Int |
getHours()
Returns the hour represented by this Date object. The returned value is a number (0 through 23) representing the hour within the day that contains or begins with the instant in time represented by this Date object, as interpreted in the local time zone.
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Int |
getMinutes()
Returns the number of minutes past the hour represented by this date, as interpreted in the local time zone. The value returned is between 0 and 59.
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Int |
getSeconds()
Returns the number of seconds past the minute represented by this date. The value returned is between 0 and 61. The values 60 and 61 can only occur on those Java Virtual Machines that take leap seconds into account.
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Long |
getTime()
Returns the number of milliseconds since January 1, 1970, 00:00:00 GMT represented by this Date object.
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Int |
getTimezoneOffset()
Returns the offset, measured in minutes, for the local time zone relative to UTC that is appropriate for the time represented by this Date object.
For example, in Massachusetts, five time zones west of Greenwich:
new Date(96, 1, 14).getTimezoneOffset() returns 300
because on February 14, 1996, standard time (Eastern Standard Time) is in use, which is offset five hours from UTC; but:
new Date(96, 5, 1).getTimezoneOffset() returns 240
because on June 1, 1996, daylight saving time (Eastern Daylight Time) is in use, which is offset only four hours from UTC.
This method produces the same result as if it computed:
(this.getTime() - UTC(this.getYear(),
this.getMonth(),
this.getDate(),
this.getHours(),
this.getMinutes(),
this.getSeconds())) / (60 * 1000)
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Int |
hashCode()
Returns a hash code value for this object. The result is the exclusive OR of the two halves of the primitive long value returned by the Date.getTime method. That is, the hash code is the value of the expression:
<code>(int)(this.getTime()^(this.getTime() >>> 32))
</code>
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Long |
parse(s: String!)
Attempts to interpret the string s as a representation of a date and time. If the attempt is successful, the time indicated is returned represented as the distance, measured in milliseconds, of that time from the epoch (00:00:00 GMT on January 1, 1970). If the attempt fails, an IllegalArgumentException is thrown.
It accepts many syntaxes; in particular, it recognizes the IETF standard date syntax: "Sat, 12 Aug 1995 13:30:00 GMT". It also understands the continental U.S. time-zone abbreviations, but for general use, a time-zone offset should be used: "Sat, 12 Aug 1995 13:30:00 GMT+0430" (4 hours, 30 minutes west of the Greenwich meridian). If no time zone is specified, the local time zone is assumed. GMT and UTC are considered equivalent.
The string s is processed from left to right, looking for data of interest. Any material in s that is within the ASCII parenthesis characters ( and ) is ignored. Parentheses may be nested. Otherwise, the only characters permitted within s are these ASCII characters:
abcdefghijklmnopqrstuvwxyz
ABCDEFGHIJKLMNOPQRSTUVWXYZ
0123456789,+-:/
and whitespace characters.
A consecutive sequence of decimal digits is treated as a decimal number:
- If a number is preceded by
+ or - and a year has already been recognized, then the number is a time-zone offset. If the number is less than 24, it is an offset measured in hours. Otherwise, it is regarded as an offset in minutes, expressed in 24-hour time format without punctuation. A preceding - means a westward offset. Time zone offsets are always relative to UTC (Greenwich). Thus, for example, -5 occurring in the string would mean "five hours west of Greenwich" and +0430 would mean "four hours and thirty minutes east of Greenwich." It is permitted for the string to specify GMT, UT, or UTC redundantly-for example, GMT-5 or utc+0430.
- The number is regarded as a year number if one of the following conditions is true:
- The number is equal to or greater than 70 and followed by a space, comma, slash, or end of string
- The number is less than 70, and both a month and a day of the month have already been recognized
If the recognized year number is less than 100, it is interpreted as an abbreviated year relative to a century of which dates are within 80 years before and 19 years after the time when the Date class is initialized. After adjusting the year number, 1900 is subtracted from it. For example, if the current year is 1999 then years in the range 19 to 99 are assumed to mean 1919 to 1999, while years from 0 to 18 are assumed to mean 2000 to 2018. Note that this is slightly different from the interpretation of years less than 100 that is used in java.text.SimpleDateFormat.
- If the number is followed by a colon, it is regarded as an hour, unless an hour has already been recognized, in which case it is regarded as a minute.
- If the number is followed by a slash, it is regarded as a month (it is decreased by 1 to produce a number in the range
0 to 11), unless a month has already been recognized, in which case it is regarded as a day of the month.
- If the number is followed by whitespace, a comma, a hyphen, or end of string, then if an hour has been recognized but not a minute, it is regarded as a minute; otherwise, if a minute has been recognized but not a second, it is regarded as a second; otherwise, it is regarded as a day of the month.
A consecutive sequence of letters is regarded as a word and treated as follows:
- A word that matches
AM, ignoring case, is ignored (but the parse fails if an hour has not been recognized or is less than 1 or greater than 12).
- A word that matches
PM, ignoring case, adds 12 to the hour (but the parse fails if an hour has not been recognized or is less than 1 or greater than 12).
- Any word that matches any prefix of
SUNDAY, MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, or SATURDAY, ignoring case, is ignored. For example, sat, Friday, TUE, and Thurs are ignored.
- Otherwise, any word that matches any prefix of
JANUARY, FEBRUARY, MARCH, APRIL, MAY, JUNE, JULY, AUGUST, SEPTEMBER, OCTOBER, NOVEMBER, or DECEMBER, ignoring case, and considering them in the order given here, is recognized as specifying a month and is converted to a number (0 to 11). For example, aug, Sept, april, and NOV are recognized as months. So is Ma, which is recognized as MARCH, not MAY.
- Any word that matches
GMT, UT, or UTC, ignoring case, is treated as referring to UTC.
- Any word that matches
EST, CST, MST, or PST, ignoring case, is recognized as referring to the time zone in North America that is five, six, seven, or eight hours west of Greenwich, respectively. Any word that matches EDT, CDT, MDT, or PDT, ignoring case, is recognized as referring to the same time zone, respectively, during daylight saving time.
Once the entire string s has been scanned, it is converted to a time result in one of two ways. If a time zone or time-zone offset has been recognized, then the year, month, day of month, hour, minute, and second are interpreted in UTC and then the time-zone offset is applied. Otherwise, the year, month, day of month, hour, minute, and second are interpreted in the local time zone.
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Unit |
setHours(hours: Int)
Sets the hour of this Date object to the specified value. This Date object is modified so that it represents a point in time within the specified hour of the day, with the year, month, date, minute, and second the same as before, as interpreted in the local time zone.
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Unit |
setMinutes(minutes: Int)
Sets the minutes of this Date object to the specified value. This Date object is modified so that it represents a point in time within the specified minute of the hour, with the year, month, date, hour, and second the same as before, as interpreted in the local time zone.
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Unit |
setSeconds(seconds: Int)
Sets the seconds of this Date to the specified value. This Date object is modified so that it represents a point in time within the specified second of the minute, with the year, month, date, hour, and minute the same as before, as interpreted in the local time zone.
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String! |
toGMTString()
Creates a string representation of this Date object of the form:
d mon yyyy hh:mm:ss GMT
where:
- d is the day of the month (
1 through 31), as one or two decimal digits.
- mon is the month (
Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec).
- yyyy is the year, as four decimal digits.
- hh is the hour of the day (
00 through 23), as two decimal digits.
- mm is the minute within the hour (
00 through 59), as two decimal digits.
- ss is the second within the minute (
00 through 61), as two decimal digits.
- GMT is exactly the ASCII letters "
GMT" to indicate Greenwich Mean Time.
The result does not depend on the local time zone.
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Instant! |
toInstant()
Converts this Date object to an Instant.
The conversion creates an Instant that represents the same point on the time-line as this Date.
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String! |
toLocaleString()
Creates a string representation of this Date object in an implementation-dependent form. The intent is that the form should be familiar to the user of the Java application, wherever it may happen to be running. The intent is comparable to that of the "%c" format supported by the strftime() function of ISO C.
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