JavaFX 27 · javafx.util.Duration · APIdia, the JavaDoc alternative

Modifier and Type	Field and Description
public static final Duration	INDEFINITE An Infinite Duration.
private final double	millis The value of this duration, in fractional milliseconds
public static final Duration	ONE A Duration of 1 millisecond.
public static final Duration	UNKNOWN A Duration of some unknown amount of time.
public static final Duration	ZERO A Duration of 0 (no time).

Access	Constructor and Description
public	Duration(double The number of milliseconds millis) Creates a new Duration with potentially fractional millisecond resolution.

Method Summary

Modifier and Type	Method and Description
public Duration	Returns: the result of adding this duration to the other duration. This is the same as millis + other.millis using double arithmetic add(Duration must not be null other) Add this instance and another Duration instance to return a new Duration instance.
public int	Returns: a negative integer, zero, or a positive integer as this duration is less than, equal to, or greater than the specified duration. compareTo(Duration the duration to be compared. d) Implements java.lang.Comparable.compareTo. Compares durations represented by this object and the specified object.
public Duration	Returns: the result of dividing this duration with n. This is the same as millis / n using double arithmetic divide(double the amount to divide by in fractional milliseconds n) Divide this instance by a number to return a new Duration instance.
public Duration	Returns: the result of dividing this duration by the other duration. This is the same as millis / other.millis using double arithmetic divide(Duration must not be null other) Deprecated This method produces surprising results by not taking units into account. Use `divide(double)` instead. Divide this instance by another Duration to return the ratio.
public boolean	Returns: `true` if this object is equal to the `obj` argument; `false` otherwise. equals(Object the reference object with which to compare. obj) Overrides java.lang.Object.equals. Indicates whether some other object is "equal to" this one.
public boolean	Returns: true if millis > other.millis using double arithmetic greaterThan(Duration cannot be null other) Returns true if the specified duration is greater than (>) this instance.
public boolean	Returns: true if millis >= other.millis using double arithmetic greaterThanOrEqualTo(Duration cannot be null other) Returns true if the specified duration is greater than or equal to (>=) this instance.
public int	Returns: a hash code for this `Duration` object. hashCode() Overrides java.lang.Object.hashCode. Returns a hash code for this `Duration` object.
public static Duration	Returns: a Duration instance representing the specified number of hours hours(double the number of hours h) Factory method that returns a Duration instance representing the specified number of hours.
public boolean	Returns: true if this Duration is equivalent to Duration.INDEFINITE or Double.POSITIVE_INFINITY. isIndefinite() Gets whether this Duration instance is Indefinite.
public boolean	Returns: true if this Duration is equivalent to Duration.UNKNOWN or Double.isNaN(millis) isUnknown() Gets whether this Duration instance is Unknown.
public boolean	Returns: true if millis < other.millis using double arithmetic lessThan(Duration cannot be null other) Returns true if the specified duration is less than (<) this instance.
public boolean	Returns: true if millis <= other.millis using double arithmetic lessThanOrEqualTo(Duration cannot be null other) Returns true if the specified duration is less than or equal to (<=) this instance.
public static Duration	Returns: a Duration instance of the specified number of milliseconds millis(double the number of milliseconds ms) Factory method that returns a Duration instance for a specified number of milliseconds.
public static Duration	Returns: a Duration instance of the specified number of minutes minutes(double the number of minutes m) Factory method that returns a Duration instance representing the specified number of minutes.
public Duration	Returns: the result of multiplying this duration with the other duration. This is the same as millis * other.millis using double arithmetic multiply(Duration must not be null other) Deprecated This method produces surprising results by not taking units into account. Use `multiply(double)` instead. Multiply this instance with a number to return a new Duration instance.
public Duration	Returns: the result of multiplying this duration with n. This is the same as millis * n using double arithmetic multiply(double the amount to multiply by in fractional milliseconds n) Multiply this instance with a number representing millis and return a new Duration.
public Duration	Returns: the result of negating this duration. This is the same as -millis using double arithmetic negate() Return a new Duration instance which has a negative number of milliseconds from this instance.
public static Duration	Returns: a Duration instance of the specified number of seconds seconds(double the number of seconds s) Factory method that returns a Duration instance representing the specified number of seconds.
public Duration	Returns: the result of subtracting the other duration from this duration. This is the same as millis - other.millis using double arithmetic subtract(Duration must not be null other) Subtract other Duration instance from this instance to return a new Duration instance.
public double	Returns: the Duration in fractional hours toHours() Returns the number of hours in this period or Double.POSITIVE_INFINITY if the period is INDEFINITE or NaN if the period is UNKNOWN.
public double	Returns: the Duration in fractional milliseconds toMillis() Returns the number of milliseconds in this period or Double.POSITIVE_INFINITY if the period is INDEFINITE or NaN if the period is UNKNOWN.
public double	Returns: the Duration in fractional minutes toMinutes() Returns the number of minutes in this period or Double.POSITIVE_INFINITY if the period is INDEFINITE or NaN if the period is UNKNOWN.
public double	Returns: the Duration in fractional seconds toSeconds() Returns the number of seconds in this period or Double.POSITIVE_INFINITY if the period is INDEFINITE or NaN if the period is UNKNOWN.
public String	Returns: a string representation of this `Duration` object. toString() Overrides java.lang.Object.toString. Returns a string representation of this `Duration` object.
public static Duration	Returns: a Duration which is represented by the `time` valueOf(String A non-null string properly formatted. Leading or trailing spaces will not parse correctly. Throws a NullPointerException if time is null. time) Factory method that returns a Duration instance for a specified amount of time.

Inherited from java.lang.Object:: clone finalize getClass notify notifyAll wait wait wait

INDEFINITE	back to summary
public static final Duration INDEFINITE An Infinite Duration.

millis	back to summary
private final double millis The value of this duration, in fractional milliseconds

ONE	back to summary
public static final Duration ONE A Duration of 1 millisecond.

UNKNOWN	back to summary
public static final Duration UNKNOWN A Duration of some unknown amount of time.

ZERO	back to summary
public static final Duration ZERO A Duration of 0 (no time).

Duration	back to summary
public Duration(double millis) Creates a new Duration with potentially fractional millisecond resolution. Parameters millis:double The number of milliseconds

Method Detail

add	back to summary
public Duration add(Duration other) Add this instance and another Duration instance to return a new Duration instance. If either instance is INDEFINITE, return INDEFINITE. If either instance is UNKNOWN, return UNKNOWN. This method does not change the value of the called Duration instance. Parameters other:Duration must not be null Returns:Duration the result of adding this duration to the other duration. This is the same as millis + other.millis using double arithmetic

add

back to summary

public Duration add(Duration other)

Add this instance and another Duration instance to return a new Duration instance. If either instance is INDEFINITE, return INDEFINITE. If either instance is UNKNOWN, return UNKNOWN. This method does not change the value of the called Duration instance.

Parameters

other:Duration: must not be null

Returns:Duration

the result of adding this duration to the other duration. This is the same as millis + other.millis using double arithmetic

compareTo	back to summary
public int compareTo(Duration d) Implements java.lang.Comparable.compareTo. Compares durations represented by this object and the specified object. Returns a negative integer, zero, or a positive integer as this duration is less than, equal to, or greater than the specified duration. Parameters d:Duration the duration to be compared. Returns:int a negative integer, zero, or a positive integer as this duration is less than, equal to, or greater than the specified duration. Annotations @Override

compareTo

back to summary

public int compareTo(Duration d)

Implements java.lang.Comparable.compareTo.

Compares durations represented by this object and the specified object. Returns a negative integer, zero, or a positive integer as this duration is less than, equal to, or greater than the specified duration.

Parameters

d:Duration: the duration to be compared.

Returns:int

a negative integer, zero, or a positive integer as this duration is less than, equal to, or greater than the specified duration.

Annotations

@Override

divide	back to summary
public Duration divide(double n) Divide this instance by a number to return a new Duration instance. If the called Duration instance is INDEFINITE, return INDEFINITE. If the called Duration instance is UNKNOWN, return UNKNOWN. This method does not change the value of the called Duration instance. Parameters n:double the amount to divide by in fractional milliseconds Returns:Duration the result of dividing this duration with n. This is the same as millis / n using double arithmetic

divide

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public Duration divide(double n)

Divide this instance by a number to return a new Duration instance. If the called Duration instance is INDEFINITE, return INDEFINITE. If the called Duration instance is UNKNOWN, return UNKNOWN. This method does not change the value of the called Duration instance.

Parameters

n:double: the amount to divide by in fractional milliseconds

Returns:Duration

the result of dividing this duration with n. This is the same as millis / n using double arithmetic

divide back to summary

divide	back to summary
public Duration divide(Duration other) Deprecated This method produces surprising results by not taking units into account. Use `divide(double)` instead. Divide this instance by another Duration to return the ratio. If both instances are INDEFINITE, return NaN. If this instance is INDEFINITE, return POSITIVE_INFINITY If the other instance is INDEFINITE, return 0.0. This function does not change the value of the called Duration instance. Parameters other:Duration must not be null Returns:Duration the result of dividing this duration by the other duration. This is the same as millis / other.millis using double arithmetic Annotations @Deprecated

public Duration divide(Duration other)

Deprecated

This method produces surprising results by not taking units into account. Use divide(double) instead.

Divide this instance by another Duration to return the ratio. If both instances are INDEFINITE, return NaN. If this instance is INDEFINITE, return POSITIVE_INFINITY If the other instance is INDEFINITE, return 0.0. This function does not change the value of the called Duration instance.

Parameters

other:Duration: must not be null

Returns:Duration

the result of dividing this duration by the other duration. This is the same as millis / other.millis using double arithmetic

Annotations

@Deprecated

equals back to summary

equals	back to summary
public boolean equals(Object obj) Overrides java.lang.Object.equals. Indicates whether some other object is "equal to" this one. Parameters obj:Object the reference object with which to compare. Returns:boolean `true` if this object is equal to the `obj` argument; `false` otherwise. Annotations @Override

public boolean equals(Object obj)

Overrides java.lang.Object.equals.

Indicates whether some other object is "equal to" this one.

Parameters

obj:Object: the reference object with which to compare.

Returns:boolean

true if this object is equal to the obj argument; false otherwise.

Annotations

@Override

greaterThan	back to summary
public boolean greaterThan(Duration other) Returns true if the specified duration is greater than (>) this instance. INDEFINITE is treated as if it were positive infinity. Parameters other:Duration cannot be null Returns:boolean true if millis > other.millis using double arithmetic

greaterThan

back to summary

public boolean greaterThan(Duration other)

Returns true if the specified duration is greater than (>) this instance. INDEFINITE is treated as if it were positive infinity.

Parameters

other:Duration: cannot be null

Returns:boolean

true if millis > other.millis using double arithmetic

greaterThanOrEqualTo	back to summary
public boolean greaterThanOrEqualTo(Duration other) Returns true if the specified duration is greater than or equal to (>=) this instance. INDEFINITE is treated as if it were positive infinity. Parameters other:Duration cannot be null Returns:boolean true if millis >= other.millis using double arithmetic

greaterThanOrEqualTo

back to summary

public boolean greaterThanOrEqualTo(Duration other)

Returns true if the specified duration is greater than or equal to (>=) this instance. INDEFINITE is treated as if it were positive infinity.

Parameters

other:Duration: cannot be null

Returns:boolean

true if millis >= other.millis using double arithmetic

hashCode back to summary

hashCode	back to summary
public int hashCode() Overrides java.lang.Object.hashCode. Returns a hash code for this `Duration` object. Returns:int a hash code for this `Duration` object. Annotations @Override

public int hashCode()

Overrides java.lang.Object.hashCode.

Returns a hash code for this Duration object.

Returns:int

a hash code for this Duration object.

Annotations

@Override

hours	back to summary
public static Duration hours(double h) Factory method that returns a Duration instance representing the specified number of hours. Parameters h:double the number of hours Returns:Duration a Duration instance representing the specified number of hours

hours

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public static Duration hours(double h)

Factory method that returns a Duration instance representing the specified number of hours.

Parameters

h:double: the number of hours

Returns:Duration

a Duration instance representing the specified number of hours

isIndefinite	back to summary
public boolean isIndefinite() Gets whether this Duration instance is Indefinite. A Duration is Indefinite if it equals Duration.INDEFINITE. Returns:boolean true if this Duration is equivalent to Duration.INDEFINITE or Double.POSITIVE_INFINITY.

isIndefinite

back to summary

public boolean isIndefinite()

Gets whether this Duration instance is Indefinite. A Duration is Indefinite if it equals Duration.INDEFINITE.

Returns:boolean: true if this Duration is equivalent to Duration.INDEFINITE or Double.POSITIVE_INFINITY.

isUnknown	back to summary
public boolean isUnknown() Gets whether this Duration instance is Unknown. A Duration is Unknown if it equals Duration.UNKNOWN. Returns:boolean true if this Duration is equivalent to Duration.UNKNOWN or Double.isNaN(millis)

isUnknown

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public boolean isUnknown()

Gets whether this Duration instance is Unknown. A Duration is Unknown if it equals Duration.UNKNOWN.

Returns:boolean: true if this Duration is equivalent to Duration.UNKNOWN or Double.isNaN(millis)

lessThan	back to summary
public boolean lessThan(Duration other) Returns true if the specified duration is less than (<) this instance. INDEFINITE is treated as if it were positive infinity. Parameters other:Duration cannot be null Returns:boolean true if millis < other.millis using double arithmetic

lessThan

back to summary

public boolean lessThan(Duration other)

Returns true if the specified duration is less than (<) this instance. INDEFINITE is treated as if it were positive infinity.

Parameters

other:Duration: cannot be null

Returns:boolean

true if millis < other.millis using double arithmetic

lessThanOrEqualTo	back to summary
public boolean lessThanOrEqualTo(Duration other) Returns true if the specified duration is less than or equal to (<=) this instance. INDEFINITE is treated as if it were positive infinity. Parameters other:Duration cannot be null Returns:boolean true if millis <= other.millis using double arithmetic

lessThanOrEqualTo

back to summary

public boolean lessThanOrEqualTo(Duration other)

Returns true if the specified duration is less than or equal to (<=) this instance. INDEFINITE is treated as if it were positive infinity.

Parameters

other:Duration: cannot be null

Returns:boolean

true if millis <= other.millis using double arithmetic

millis	back to summary
public static Duration millis(double ms) Factory method that returns a Duration instance for a specified number of milliseconds. Parameters ms:double the number of milliseconds Returns:Duration a Duration instance of the specified number of milliseconds

millis

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public static Duration millis(double ms)

Factory method that returns a Duration instance for a specified number of milliseconds.

Parameters

ms:double: the number of milliseconds

Returns:Duration

a Duration instance of the specified number of milliseconds

minutes	back to summary
public static Duration minutes(double m) Factory method that returns a Duration instance representing the specified number of minutes. Parameters m:double the number of minutes Returns:Duration a Duration instance of the specified number of minutes

minutes

back to summary

public static Duration minutes(double m)

Factory method that returns a Duration instance representing the specified number of minutes.

Parameters

m:double: the number of minutes

Returns:Duration

a Duration instance of the specified number of minutes

multiply back to summary

multiply	back to summary
public Duration multiply(Duration other) Deprecated This method produces surprising results by not taking units into account. Use `multiply(double)` instead. Multiply this instance with a number to return a new Duration instance. If either instance is INDEFINITE, return INDEFINITE. If either Duration instance is UNKNOWN, return UNKNOWN. This method does not change the value of the called Duration instance. Parameters other:Duration must not be null Returns:Duration the result of multiplying this duration with the other duration. This is the same as millis * other.millis using double arithmetic Annotations @Deprecated

public Duration multiply(Duration other)

Deprecated

This method produces surprising results by not taking units into account. Use multiply(double) instead.

Multiply this instance with a number to return a new Duration instance. If either instance is INDEFINITE, return INDEFINITE. If either Duration instance is UNKNOWN, return UNKNOWN. This method does not change the value of the called Duration instance.

Parameters

other:Duration: must not be null

Returns:Duration

the result of multiplying this duration with the other duration. This is the same as millis * other.millis using double arithmetic

Annotations

@Deprecated

multiply	back to summary
public Duration multiply(double n) Multiply this instance with a number representing millis and return a new Duration. If the called Duration instance is INDEFINITE, return INDEFINITE. If the called Duration instance is UNKNOWN, return UNKNOWN. This method does not change the value of the called Duration instance. Parameters n:double the amount to multiply by in fractional milliseconds Returns:Duration the result of multiplying this duration with n. This is the same as millis * n using double arithmetic

multiply

back to summary

public Duration multiply(double n)

Multiply this instance with a number representing millis and return a new Duration. If the called Duration instance is INDEFINITE, return INDEFINITE. If the called Duration instance is UNKNOWN, return UNKNOWN. This method does not change the value of the called Duration instance.

Parameters

n:double: the amount to multiply by in fractional milliseconds

Returns:Duration

the result of multiplying this duration with n. This is the same as millis * n using double arithmetic

negate back to summary

negate	back to summary
public Duration negate() Return a new Duration instance which has a negative number of milliseconds from this instance. For example, `Duration.millis(50).negate()` returns a Duration of -50 milliseconds. If the called Duration instance is INDEFINITE, return INDEFINITE. This function does not change the value of the called Duration instance. Returns:Duration the result of negating this duration. This is the same as -millis using double arithmetic

public Duration negate()

Return a new Duration instance which has a negative number of milliseconds from this instance. For example, Duration.millis(50).negate() returns a Duration of -50 milliseconds. If the called Duration instance is INDEFINITE, return INDEFINITE. This function does not change the value of the called Duration instance.

Returns:Duration: the result of negating this duration. This is the same as -millis using double arithmetic

seconds	back to summary
public static Duration seconds(double s) Factory method that returns a Duration instance representing the specified number of seconds. Parameters s:double the number of seconds Returns:Duration a Duration instance of the specified number of seconds

seconds

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public static Duration seconds(double s)

Factory method that returns a Duration instance representing the specified number of seconds.

Parameters

s:double: the number of seconds

Returns:Duration

a Duration instance of the specified number of seconds

subtract	back to summary
public Duration subtract(Duration other) Subtract other Duration instance from this instance to return a new Duration instance. If either instance is UNKNOWN, return UNKNOWN. Otherwise, if either instance is INDEFINITE, return INDEFINITE. This method does not change the value of the called Duration instance. Parameters other:Duration must not be null Returns:Duration the result of subtracting the other duration from this duration. This is the same as millis - other.millis using double arithmetic

subtract

back to summary

public Duration subtract(Duration other)

Subtract other Duration instance from this instance to return a new Duration instance. If either instance is UNKNOWN, return UNKNOWN. Otherwise, if either instance is INDEFINITE, return INDEFINITE. This method does not change the value of the called Duration instance.

Parameters

other:Duration: must not be null

Returns:Duration

the result of subtracting the other duration from this duration. This is the same as millis - other.millis using double arithmetic

toHours	back to summary
public double toHours() Returns the number of hours in this period or Double.POSITIVE_INFINITY if the period is INDEFINITE or NaN if the period is UNKNOWN. Returns:double the Duration in fractional hours

toHours

back to summary

public double toHours()

Returns the number of hours in this period or Double.POSITIVE_INFINITY if the period is INDEFINITE or NaN if the period is UNKNOWN.

Returns:double: the Duration in fractional hours

toMillis	back to summary
public double toMillis() Returns the number of milliseconds in this period or Double.POSITIVE_INFINITY if the period is INDEFINITE or NaN if the period is UNKNOWN. Returns:double the Duration in fractional milliseconds

toMillis

back to summary

public double toMillis()

Returns the number of milliseconds in this period or Double.POSITIVE_INFINITY if the period is INDEFINITE or NaN if the period is UNKNOWN.

Returns:double: the Duration in fractional milliseconds

toMinutes	back to summary
public double toMinutes() Returns the number of minutes in this period or Double.POSITIVE_INFINITY if the period is INDEFINITE or NaN if the period is UNKNOWN. Returns:double the Duration in fractional minutes

toMinutes

back to summary

public double toMinutes()

Returns the number of minutes in this period or Double.POSITIVE_INFINITY if the period is INDEFINITE or NaN if the period is UNKNOWN.

Returns:double: the Duration in fractional minutes

toSeconds	back to summary
public double toSeconds() Returns the number of seconds in this period or Double.POSITIVE_INFINITY if the period is INDEFINITE or NaN if the period is UNKNOWN. Returns:double the Duration in fractional seconds

toSeconds

back to summary

public double toSeconds()

Returns the number of seconds in this period or Double.POSITIVE_INFINITY if the period is INDEFINITE or NaN if the period is UNKNOWN.

Returns:double: the Duration in fractional seconds

toString back to summary

toString	back to summary
public String toString() Overrides java.lang.Object.toString. Returns a string representation of this `Duration` object. Returns:String a string representation of this `Duration` object. Annotations @Override

public String toString()

Overrides java.lang.Object.toString.

Returns a string representation of this Duration object.

Returns:String

a string representation of this Duration object.

Annotations

@Override

valueOf back to summary

valueOf	back to summary
public static Duration valueOf(String time) Factory method that returns a Duration instance for a specified amount of time. The syntax is "[number][ms\|s\|m\|h]". Parameters time:String A non-null string properly formatted. Leading or trailing spaces will not parse correctly. Throws a NullPointerException if time is null. Returns:Duration a Duration which is represented by the `time`

public static Duration valueOf(String time)

Factory method that returns a Duration instance for a specified amount of time. The syntax is "[number][ms|s|m|h]".

Parameters

time:String: A non-null string properly formatted. Leading or trailing spaces will not parse correctly. Throws a NullPointerException if time is null.

Returns:Duration

a Duration which is represented by the time

public Class Duration

Field Summary

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Field Detail

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