IT. Expert System.

Java Standard Edition (SE)

Time


compact2, compact3
java.sql

Class Time

  • All Implemented Interfaces:
    Serializable, Cloneable, Comparable<Date>


    public class Time
    extends Date

    A thin wrapper around the java.util.Date class that allows the JDBC API to identify this as an SQL TIME value. The Time class adds formatting and parsing operations to support the JDBC escape syntax for time values.

    The date components should be set to the "zero epoch" value of January 1, 1970 and should not be accessed.

    See Also:
    Serialized Form
    • Constructor Detail

      • Time

        @Deprecated
        public Time(int hour,
                                int minute,
                                int second)
        Deprecated. Use the constructor that takes a milliseconds value in place of this constructor
        Constructs a Time object initialized with the given values for the hour, minute, and second. The driver sets the date components to January 1, 1970. Any method that attempts to access the date components of a Time object will throw a java.lang.IllegalArgumentException.

        The result is undefined if a given argument is out of bounds.

        Parameters:
        hour - 0 to 23
        minute - 0 to 59
        second - 0 to 59
      • Time

        public Time(long time)
        Constructs a Time object using a milliseconds time value.
        Parameters:
        time - milliseconds since January 1, 1970, 00:00:00 GMT; a negative number is milliseconds before January 1, 1970, 00:00:00 GMT
    • Method Detail

      • setTime

        public void setTime(long time)
        Sets a Time object using a milliseconds time value.
        Overrides:
        setTime in class Date
        Parameters:
        time - milliseconds since January 1, 1970, 00:00:00 GMT; a negative number is milliseconds before January 1, 1970, 00:00:00 GMT
      • valueOf

        public static Time valueOf(String s)
        Converts a string in JDBC time escape format to a Time value.
        Parameters:
        s - time in format "hh:mm:ss"
        Returns:
        a corresponding Time object
      • getYear

        @Deprecated
        public int getYear()
        Deprecated. 
        This method is deprecated and should not be used because SQL TIME values do not have a year component.
        Overrides:
        getYear in class Date
        Returns:
        the year represented by this date, minus 1900.
        Throws:
        IllegalArgumentException - if this method is invoked
        See Also:
        setYear(int)
      • getMonth

        @Deprecated
        public int getMonth()
        Deprecated. 
        This method is deprecated and should not be used because SQL TIME values do not have a month component.
        Overrides:
        getMonth in class Date
        Returns:
        the month represented by this date.
        Throws:
        IllegalArgumentException - if this method is invoked
        See Also:
        setMonth(int)
      • getDay

        @Deprecated
        public int getDay()
        Deprecated. 
        This method is deprecated and should not be used because SQL TIME values do not have a day component.
        Overrides:
        getDay in class Date
        Returns:
        the day of the week represented by this date.
        Throws:
        IllegalArgumentException - if this method is invoked
        See Also:
        Calendar
      • getDate

        @Deprecated
        public int getDate()
        Deprecated. 
        This method is deprecated and should not be used because SQL TIME values do not have a date component.
        Overrides:
        getDate in class Date
        Returns:
        the day of the month represented by this date.
        Throws:
        IllegalArgumentException - if this method is invoked
        See Also:
        setDate(int)
      • setYear

        @Deprecated
        public void setYear(int i)
        Deprecated. 
        This method is deprecated and should not be used because SQL TIME values do not have a year component.
        Overrides:
        setYear in class Date
        Parameters:
        i - the year value.
        Throws:
        IllegalArgumentException - if this method is invoked
        See Also:
        getYear()
      • setMonth

        @Deprecated
        public void setMonth(int i)
        Deprecated. 
        This method is deprecated and should not be used because SQL TIME values do not have a month component.
        Overrides:
        setMonth in class Date
        Parameters:
        i - the month value between 0-11.
        Throws:
        IllegalArgumentException - if this method is invoked
        See Also:
        getMonth()
      • setDate

        @Deprecated
        public void setDate(int i)
        Deprecated. 
        This method is deprecated and should not be used because SQL TIME values do not have a date component.
        Overrides:
        setDate in class Date
        Parameters:
        i - the day of the month value between 1-31.
        Throws:
        IllegalArgumentException - if this method is invoked
        See Also:
        getDate()
      • valueOf

        public static Time valueOf(LocalTime time)
        Obtains an instance of Time from a LocalTime object with the same hour, minute and second time value as the given LocalTime.
        Parameters:
        time - a LocalTime to convert
        Returns:
        a Time object
        Throws:
        NullPointerException - if time is null
        Since:
        1.8
      • toLocalTime

        public LocalTime toLocalTime()
        Converts this Time object to a LocalTime.

        The conversion creates a LocalTime that represents the same hour, minute, and second time value as this Time.

        Returns:
        a LocalTime object representing the same time value
        Since:
        1.8
      • toInstant

        public Instant toInstant()
        This method always throws an UnsupportedOperationException and should not be used because SQL Time values do not have a date component.
        Overrides:
        toInstant in class Date
        Returns:
        an instant representing the same point on the time-line as this Date object
        Throws:
        UnsupportedOperationException - if this method is invoked


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