Java-API：java.util.Date

ylbtech-Java-API：java.util.Date

Module java.base

Package java.util

Class Date

• java.lang.Object
• • java.util.Date

• All Implemented Interfaces:

  Serializable, Cloneable, Comparable<Date>

  Direct Known Subclasses:

  Date, Time, Timestamp

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• Constructor Summary

  Constructors

  Constructor	Description
  Date()	Allocates a Date object and initializes it so that it represents the time at which it was allocated, measured to the nearest millisecond.
  Date​(int year, int month, int date)	Deprecated. As of JDK version 1.1, replaced by Calendar.set(year + 1900, month, date) or GregorianCalendar(year + 1900, month, date).
  Date​(int year, int month, int date, int hrs, int min)	Deprecated. As of JDK version 1.1, replaced by Calendar.set(year + 1900, month, date, hrs, min) or GregorianCalendar(year + 1900, month, date, hrs, min).
  Date​(int year, int month, int date, int hrs, int min, int sec)	Deprecated. As of JDK version 1.1, replaced by Calendar.set(year + 1900, month, date, hrs, min, sec) or GregorianCalendar(year + 1900, month, date, hrs, min, sec).
  Date​(long date)	Allocates a Date object and initializes it to represent the specified number of milliseconds since the standard base time known as "the epoch", namely January 1, 1970, 00:00:00 GMT.
  Date​(String s)	Deprecated. As of JDK version 1.1, replaced by DateFormat.parse(String s).

• Method Summary

  All MethodsStatic MethodsInstance MethodsConcrete MethodsDeprecated Methods

  Modifier and Type	Method	Description
  boolean	after​(Date when)	Tests if this date is after the specified date.
  boolean	before​(Date when)	Tests if this date is before the specified date.
  Object	clone()	Return a copy of this object.
  int	compareTo​(Date anotherDate)	Compares two Dates for ordering.
  boolean	equals​(Object obj)	Compares two dates for equality.
  static Date	from​(Instant instant)	Obtains an instance of Date from an Instant object.
  int	getDate()	Deprecated. As of JDK version 1.1, replaced by Calendar.get(Calendar.DAY_OF_MONTH).
  int	getDay()	Deprecated. As of JDK version 1.1, replaced by Calendar.get(Calendar.DAY_OF_WEEK).
  int	getHours()	Deprecated. As of JDK version 1.1, replaced by Calendar.get(Calendar.HOUR_OF_DAY).
  int	getMinutes()	Deprecated. As of JDK version 1.1, replaced by Calendar.get(Calendar.MINUTE).
  int	getMonth()	Deprecated. As of JDK version 1.1, replaced by Calendar.get(Calendar.MONTH).
  int	getSeconds()	Deprecated. As of JDK version 1.1, replaced by Calendar.get(Calendar.SECOND).
  long	getTime()	Returns the number of milliseconds since January 1, 1970, 00:00:00 GMT represented by this Date object.
  int	getTimezoneOffset()	Deprecated. As of JDK version 1.1, replaced by -(Calendar.get(Calendar.ZONE_OFFSET) + Calendar.get(Calendar.DST_OFFSET)) / (60 * 1000).
  int	getYear()	Deprecated. As of JDK version 1.1, replaced by Calendar.get(Calendar.YEAR) - 1900.
  int	hashCode()	Returns a hash code value for this object.
  static long	parse​(String s)	Deprecated. As of JDK version 1.1, replaced by DateFormat.parse(String s).
  void	setDate​(int date)	Deprecated. As of JDK version 1.1, replaced by Calendar.set(Calendar.DAY_OF_MONTH, int date).
  void	setHours​(int hours)	Deprecated. As of JDK version 1.1, replaced by Calendar.set(Calendar.HOUR_OF_DAY, int hours).
  void	setMinutes​(int minutes)	Deprecated. As of JDK version 1.1, replaced by Calendar.set(Calendar.MINUTE, int minutes).
  void	setMonth​(int month)	Deprecated. As of JDK version 1.1, replaced by Calendar.set(Calendar.MONTH, int month).
  void	setSeconds​(int seconds)	Deprecated. As of JDK version 1.1, replaced by Calendar.set(Calendar.SECOND, int seconds).
  void	setTime​(long time)	Sets this Date object to represent a point in time that is time milliseconds after January 1, 1970 00:00:00 GMT.
  void	setYear​(int year)	Deprecated. As of JDK version 1.1, replaced by Calendar.set(Calendar.YEAR, year + 1900).
  String	toGMTString()	Deprecated. As of JDK version 1.1, replaced by DateFormat.format(Date date), using a GMT TimeZone.
  Instant	toInstant()	Converts this Date object to an Instant.
  String	toLocaleString()	Deprecated. As of JDK version 1.1, replaced by DateFormat.format(Date date).
  String	toString()	Converts this Date object to a String of the form:
  static long	UTC​(int year, int month, int date, int hrs, int min, int sec)	Deprecated. As of JDK version 1.1, replaced by Calendar.set(year + 1900, month, date, hrs, min, sec) or GregorianCalendar(year + 1900, month, date, hrs, min, sec), using a UTC TimeZone, followed by Calendar.getTime().getTime().

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https://docs.oracle.com/javase/10/docs/api/java/util/Date.html

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