UnsupportedDateTimeField (goda-time 0.0.1 API)

java.lang.Object
- org.goda.time.Field
- - org.goda.time.DateTimeField
  - - org.goda.time.field.UnsupportedDateTimeField

All Implemented Interfaces:

Serializable
```
public final class UnsupportedDateTimeField
extends DateTimeField
implements Serializable
```
A placeholder implementation to use when a datetime field is not supported.
UnsupportedDateTimeField is thread-safe and immutable.

Since:

1.0

Author:

Brian S O'Neill

See Also:
Serialized Form

Method Summary

Methods
Modifier and Type	Method and Description
`long`	`add(long instant, int value)` Delegates to the duration field.
`long`	`add(long instant, long value)` Delegates to the duration field.
`int[]`	`add(ReadablePartial instant, int fieldIndex, int[] values, int valueToAdd)` Always throws UnsupportedOperationException
`long`	`addWrapField(long instant, int value)` Always throws UnsupportedOperationException
`int[]`	`addWrapField(ReadablePartial instant, int fieldIndex, int[] values, int valueToAdd)` Always throws UnsupportedOperationException
`int[]`	`addWrapPartial(ReadablePartial instant, int fieldIndex, int[] values, int valueToAdd)` Always throws UnsupportedOperationException
`int`	`get(long instant)` Always throws UnsupportedOperationException
`String`	`getAsShortText(int fieldValue, Locale locale)` Always throws UnsupportedOperationException
`String`	`getAsShortText(long instant)` Always throws UnsupportedOperationException
`String`	`getAsShortText(long instant, Locale locale)` Always throws UnsupportedOperationException
`String`	`getAsShortText(ReadablePartial partial, int fieldValue, Locale locale)` Always throws UnsupportedOperationException
`String`	`getAsShortText(ReadablePartial partial, Locale locale)` Always throws UnsupportedOperationException
`String`	`getAsText(int fieldValue, Locale locale)` Always throws UnsupportedOperationException
`String`	`getAsText(long instant)` Always throws UnsupportedOperationException
`String`	`getAsText(long instant, Locale locale)` Always throws UnsupportedOperationException
`String`	`getAsText(ReadablePartial partial, int fieldValue, Locale locale)` Always throws UnsupportedOperationException
`String`	`getAsText(ReadablePartial partial, Locale locale)` Always throws UnsupportedOperationException
`int`	`getDifference(long minuendInstant, long subtrahendInstant)` Delegates to the duration field.
`long`	`getDifferenceAsLong(long minuendInstant, long subtrahendInstant)` Delegates to the duration field.
`DurationField`	`getDurationField()` Even though this DateTimeField is unsupported, the duration field might be supported.
`static UnsupportedDateTimeField`	`getInstance(DateTimeFieldType type, DurationField durationField)` Gets an instance of UnsupportedDateTimeField for a specific named field.
`int`	`getLeapAmount(long instant)` Always throws UnsupportedOperationException
`DurationField`	`getLeapDurationField()` Always returns null.
`int`	`getMaximumShortTextLength(Locale locale)` Always throws UnsupportedOperationException
`int`	`getMaximumTextLength(Locale locale)` Always throws UnsupportedOperationException
`int`	`getMaximumValue()` Always throws UnsupportedOperationException
`int`	`getMaximumValue(long instant)` Always throws UnsupportedOperationException
`int`	`getMaximumValue(ReadablePartial instant)` Always throws UnsupportedOperationException
`int`	`getMaximumValue(ReadablePartial instant, int[] values)` Always throws UnsupportedOperationException
`int`	`getMinimumValue()` Always throws UnsupportedOperationException
`int`	`getMinimumValue(long instant)` Always throws UnsupportedOperationException
`int`	`getMinimumValue(ReadablePartial instant)` Always throws UnsupportedOperationException
`int`	`getMinimumValue(ReadablePartial instant, int[] values)` Always throws UnsupportedOperationException
`String`	`getName()` Get the name of the field.
`DurationField`	`getRangeDurationField()` Always returns null.
`DateTimeFieldType`	`getType()` Get the type of the field.
`boolean`	`isLeap(long instant)` Always throws UnsupportedOperationException
`boolean`	`isLenient()` This field is not lenient.
`boolean`	`isSupported()` This field is not supported.
`long`	`remainder(long instant)` Always throws UnsupportedOperationException
`long`	`roundCeiling(long instant)` Always throws UnsupportedOperationException
`long`	`roundFloor(long instant)` Always throws UnsupportedOperationException
`long`	`roundHalfCeiling(long instant)` Always throws UnsupportedOperationException
`long`	`roundHalfEven(long instant)` Always throws UnsupportedOperationException
`long`	`roundHalfFloor(long instant)` Always throws UnsupportedOperationException
`long`	`set(long instant, int value)` Always throws UnsupportedOperationException
`long`	`set(long instant, String text)` Always throws UnsupportedOperationException
`long`	`set(long instant, String text, Locale locale)` Always throws UnsupportedOperationException
`int[]`	`set(ReadablePartial instant, int fieldIndex, int[] values, int newValue)` Always throws UnsupportedOperationException
`int[]`	`set(ReadablePartial instant, int fieldIndex, int[] values, String text, Locale locale)` Always throws UnsupportedOperationException
`String`	`toString()` Get a suitable debug string.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Method Detail
  - getInstance
```
public static UnsupportedDateTimeField getInstance(DateTimeFieldType type,
                                   DurationField durationField)
```
    Gets an instance of UnsupportedDateTimeField for a specific named field. Names should be of standard format, such as 'monthOfYear' or 'hourOfDay'. The returned instance is cached.
    
    Parameters:
    type - the type to obtain
    
    Returns:
    the instance
    
    Throws:
    
    IllegalArgumentException - if durationField is null
  - getType
```
public DateTimeFieldType getType()
```
    Description copied from class: DateTimeField
    
    Get the type of the field.
    
    Specified by:
    
    getType in class DateTimeField
    
    Returns:
    field type
  - getName
```
public String getName()
```
    Description copied from class: Field
    
    Get the name of the field.
    By convention, names are plural.
    
    Specified by:
    
    getName in class Field
    
    Returns:
    field name
  - isSupported
```
public boolean isSupported()
```
    This field is not supported.
    
    Specified by:
    
    isSupported in class Field
    
    Returns:
    false always
  - isLenient
```
public boolean isLenient()
```
    This field is not lenient.
    
    Specified by:
    
    isLenient in class DateTimeField
    
    Returns:
    false always
  - get
```
public int get(long instant)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    get in class DateTimeField
    
    Parameters:
    instant - the milliseconds from 1970-01-01T00:00:00Z to query
    
    Returns:
    the value of the field, in the units of the field
    
    Throws:
    
    UnsupportedOperationException
  - getAsText
```
public String getAsText(long instant,
               Locale locale)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    getAsText in class DateTimeField
    
    Parameters:
    instant - the milliseconds from 1970-01-01T00:00:00Z to query
    locale - the locale to use for selecting a text symbol, null for default
    
    Returns:
    the text value of the field
    
    Throws:
    
    UnsupportedOperationException
  - getAsText
```
public String getAsText(long instant)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    getAsText in class DateTimeField
    
    Parameters:
    instant - the milliseconds from 1970-01-01T00:00:00Z to query
    
    Returns:
    the text value of the field
    
    Throws:
    
    UnsupportedOperationException
  - getAsText
```
public String getAsText(ReadablePartial partial,
               int fieldValue,
               Locale locale)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    getAsText in class DateTimeField
    
    Parameters:
    partial - the partial instant to query
    fieldValue - the field value of this field, provided for performance
    locale - the locale to use for selecting a text symbol, null for default
    
    Returns:
    the text value of the field
    
    Throws:
    
    UnsupportedOperationException
  - getAsText
```
public String getAsText(ReadablePartial partial,
               Locale locale)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    getAsText in class DateTimeField
    
    Parameters:
    partial - the partial instant to query
    locale - the locale to use for selecting a text symbol, null for default
    
    Returns:
    the text value of the field
    
    Throws:
    
    UnsupportedOperationException
  - getAsText
```
public String getAsText(int fieldValue,
               Locale locale)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    getAsText in class DateTimeField
    
    Parameters:
    fieldValue - the numeric value to convert to text
    locale - the locale to use for selecting a text symbol, null for default
    
    Returns:
    the text value of the field
    
    Throws:
    
    UnsupportedOperationException
  - getAsShortText
```
public String getAsShortText(long instant,
                    Locale locale)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    getAsShortText in class DateTimeField
    
    Parameters:
    instant - the milliseconds from 1970-01-01T00:00:00Z to query
    locale - the locale to use for selecting a text symbol, null for default
    
    Returns:
    the short text value of the field
    
    Throws:
    
    UnsupportedOperationException
  - getAsShortText
```
public String getAsShortText(long instant)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    getAsShortText in class DateTimeField
    
    Parameters:
    instant - the milliseconds from 1970-01-01T00:00:00Z to query
    
    Returns:
    the short text value of the field
    
    Throws:
    
    UnsupportedOperationException
  - getAsShortText
```
public String getAsShortText(ReadablePartial partial,
                    int fieldValue,
                    Locale locale)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    getAsShortText in class DateTimeField
    
    Parameters:
    partial - the partial instant to query
    fieldValue - the field value of this field, provided for performance
    locale - the locale to use for selecting a text symbol, null for default
    
    Returns:
    the text value of the field
    
    Throws:
    
    UnsupportedOperationException
  - getAsShortText
```
public String getAsShortText(ReadablePartial partial,
                    Locale locale)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    getAsShortText in class DateTimeField
    
    Parameters:
    partial - the partial instant to query
    locale - the locale to use for selecting a text symbol, null for default
    
    Returns:
    the text value of the field
    
    Throws:
    
    UnsupportedOperationException
  - getAsShortText
```
public String getAsShortText(int fieldValue,
                    Locale locale)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    getAsShortText in class DateTimeField
    
    Parameters:
    fieldValue - the numeric value to convert to text
    locale - the locale to use for selecting a text symbol, null for default
    
    Returns:
    the text value of the field
    
    Throws:
    
    UnsupportedOperationException
  - add
```
public long add(long instant,
       int value)
```
    Delegates to the duration field.
    
    Specified by:
    
    add in class DateTimeField
    
    Parameters:
    instant - the milliseconds from 1970-01-01T00:00:00Z to add to
    value - the value to add, in the units of the field
    
    Returns:
    the updated milliseconds
    
    Throws:
    
    UnsupportedOperationException - if the duration is unsupported
  - add
```
public long add(long instant,
       long value)
```
    Delegates to the duration field.
    
    Specified by:
    
    add in class DateTimeField
    
    Parameters:
    instant - the milliseconds from 1970-01-01T00:00:00Z to add to
    value - the long value to add, in the units of the field
    
    Returns:
    the updated milliseconds
    
    Throws:
    
    UnsupportedOperationException - if the duration is unsupported
    See Also:
    DateTimeField.add(long,int)
  - add
```
public int[] add(ReadablePartial instant,
        int fieldIndex,
        int[] values,
        int valueToAdd)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    add in class DateTimeField
    
    Parameters:
    instant - the partial instant
    fieldIndex - the index of this field in the instant
    values - the values of the partial instant which should be updated
    valueToAdd - the value to add, in the units of the field
    
    Returns:
    the passed in values
    
    Throws:
    
    UnsupportedOperationException
  - addWrapPartial
```
public int[] addWrapPartial(ReadablePartial instant,
                   int fieldIndex,
                   int[] values,
                   int valueToAdd)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    addWrapPartial in class DateTimeField
    
    Parameters:
    instant - the partial instant
    fieldIndex - the index of this field in the partial
    values - the values of the partial instant which should be updated
    valueToAdd - the value to add, in the units of the field
    
    Returns:
    the passed in values
    
    Throws:
    
    UnsupportedOperationException
  - addWrapField
```
public long addWrapField(long instant,
                int value)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    addWrapField in class DateTimeField
    
    Parameters:
    instant - the milliseconds from 1970-01-01T00:00:00Z to add to
    value - the value to add, in the units of the field
    
    Returns:
    the updated milliseconds
    
    Throws:
    
    UnsupportedOperationException
  - addWrapField
```
public int[] addWrapField(ReadablePartial instant,
                 int fieldIndex,
                 int[] values,
                 int valueToAdd)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    addWrapField in class DateTimeField
    
    Parameters:
    instant - the partial instant
    fieldIndex - the index of this field in the instant
    values - the values of the partial instant which should be updated
    valueToAdd - the value to add, in the units of the field
    
    Returns:
    the passed in values
    
    Throws:
    
    UnsupportedOperationException
  - getDifference
```
public int getDifference(long minuendInstant,
                long subtrahendInstant)
```
    Delegates to the duration field.
    
    Specified by:
    
    getDifference in class Field
    
    Parameters:
    minuendInstant - the milliseconds from 1970-01-01T00:00:00Z to subtract from
    subtrahendInstant - the milliseconds from 1970-01-01T00:00:00Z to subtract off the minuend
    
    Returns:
    the difference in the units of this field
    
    Throws:
    
    UnsupportedOperationException - if the duration is unsupported
  - getDifferenceAsLong
```
public long getDifferenceAsLong(long minuendInstant,
                       long subtrahendInstant)
```
    Delegates to the duration field.
    
    Specified by:
    
    getDifferenceAsLong in class Field
    
    Parameters:
    minuendInstant - the milliseconds from 1970-01-01T00:00:00Z to subtract from
    subtrahendInstant - the milliseconds from 1970-01-01T00:00:00Z to subtract off the minuend
    
    Returns:
    the difference in the units of this field
    
    Throws:
    
    UnsupportedOperationException - if the duration is unsupported
  - set
```
public long set(long instant,
       int value)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    set in class DateTimeField
    
    Parameters:
    instant - the milliseconds from 1970-01-01T00:00:00Z to set in
    value - the value to set, in the units of the field
    
    Returns:
    the updated milliseconds
    
    Throws:
    
    UnsupportedOperationException
  - set
```
public int[] set(ReadablePartial instant,
        int fieldIndex,
        int[] values,
        int newValue)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    set in class DateTimeField
    
    Parameters:
    instant - the partial instant
    fieldIndex - the index of this field in the instant
    values - the values of the partial instant which should be updated
    newValue - the value to set, in the units of the field
    
    Returns:
    the passed in values
    
    Throws:
    
    UnsupportedOperationException
  - set
```
public long set(long instant,
       String text,
       Locale locale)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    set in class DateTimeField
    
    Parameters:
    instant - the milliseconds from 1970-01-01T00:00:00Z to set in
    text - the text value to set
    locale - the locale to use for selecting a text symbol, null for default
    
    Returns:
    the updated milliseconds
    
    Throws:
    
    UnsupportedOperationException
  - set
```
public long set(long instant,
       String text)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    set in class DateTimeField
    
    Parameters:
    instant - the milliseconds from 1970-01-01T00:00:00Z to set in
    text - the text value to set
    
    Returns:
    the updated milliseconds
    
    Throws:
    
    UnsupportedOperationException
  - set
```
public int[] set(ReadablePartial instant,
        int fieldIndex,
        int[] values,
        String text,
        Locale locale)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    set in class DateTimeField
    
    Parameters:
    instant - the partial instant
    fieldIndex - the index of this field in the instant
    values - the values of the partial instant which should be updated
    text - the text value to set
    locale - the locale to use for selecting a text symbol, null for default
    
    Returns:
    the passed in values
    
    Throws:
    
    UnsupportedOperationException
  - getDurationField
```
public DurationField getDurationField()
```
    Even though this DateTimeField is unsupported, the duration field might be supported.
    
    Specified by:
    
    getDurationField in class DateTimeField
    
    Returns:
    a possibly supported DurationField
  - getRangeDurationField
```
public DurationField getRangeDurationField()
```
    Always returns null.
    
    Specified by:
    
    getRangeDurationField in class DateTimeField
    
    Returns:
    null always
  - isLeap
```
public boolean isLeap(long instant)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    isLeap in class DateTimeField
    
    Parameters:
    instant - the instant to check for leap status
    
    Returns:
    true if the field is 'leap'
    
    Throws:
    
    UnsupportedOperationException
  - getLeapAmount
```
public int getLeapAmount(long instant)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    getLeapAmount in class DateTimeField
    
    Parameters:
    instant - the instant to check for leap status
    
    Returns:
    the amount, in units of the leap duration field, that the field is leap
    
    Throws:
    
    UnsupportedOperationException
  - getLeapDurationField
```
public DurationField getLeapDurationField()
```
    Always returns null.
    
    Specified by:
    
    getLeapDurationField in class DateTimeField
    
    Returns:
    null always
  - getMinimumValue
```
public int getMinimumValue()
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    getMinimumValue in class DateTimeField
    
    Returns:
    the minimum valid value for this field, in the units of the field
    
    Throws:
    
    UnsupportedOperationException
  - getMinimumValue
```
public int getMinimumValue(long instant)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    getMinimumValue in class DateTimeField
    
    Parameters:
    instant - the milliseconds from 1970-01-01T00:00:00Z to query
    
    Returns:
    the minimum value for this field, in the units of the field
    
    Throws:
    
    UnsupportedOperationException
  - getMinimumValue
```
public int getMinimumValue(ReadablePartial instant)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    getMinimumValue in class DateTimeField
    
    Parameters:
    instant - the partial instant to query
    
    Returns:
    the minimum value for this field, in the units of the field
    
    Throws:
    
    UnsupportedOperationException
  - getMinimumValue
```
public int getMinimumValue(ReadablePartial instant,
                  int[] values)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    getMinimumValue in class DateTimeField
    
    Parameters:
    instant - the partial instant to query
    values - the values to use
    
    Returns:
    the minimum value for this field, in the units of the field
    
    Throws:
    
    UnsupportedOperationException
  - getMaximumValue
```
public int getMaximumValue()
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    getMaximumValue in class DateTimeField
    
    Returns:
    the maximum valid value for this field, in the units of the field
    
    Throws:
    
    UnsupportedOperationException
  - getMaximumValue
```
public int getMaximumValue(long instant)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    getMaximumValue in class DateTimeField
    
    Parameters:
    instant - the milliseconds from 1970-01-01T00:00:00Z to query
    
    Returns:
    the maximum value for this field, in the units of the field
    
    Throws:
    
    UnsupportedOperationException
  - getMaximumValue
```
public int getMaximumValue(ReadablePartial instant)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    getMaximumValue in class DateTimeField
    
    Parameters:
    instant - the partial instant to query
    
    Returns:
    the maximum value for this field, in the units of the field
    
    Throws:
    
    UnsupportedOperationException
  - getMaximumValue
```
public int getMaximumValue(ReadablePartial instant,
                  int[] values)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    getMaximumValue in class DateTimeField
    
    Parameters:
    instant - the partial instant to query
    values - the values to use
    
    Returns:
    the maximum value for this field, in the units of the field
    
    Throws:
    
    UnsupportedOperationException
  - getMaximumTextLength
```
public int getMaximumTextLength(Locale locale)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    getMaximumTextLength in class DateTimeField
    
    Parameters:
    locale - the locale to use for selecting a text symbol
    
    Returns:
    the maximum text length
    
    Throws:
    
    UnsupportedOperationException
  - getMaximumShortTextLength
```
public int getMaximumShortTextLength(Locale locale)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    getMaximumShortTextLength in class DateTimeField
    
    Parameters:
    locale - the locale to use for selecting a text symbol
    
    Returns:
    the maximum short text length
    
    Throws:
    
    UnsupportedOperationException
  - roundFloor
```
public long roundFloor(long instant)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    roundFloor in class DateTimeField
    
    Parameters:
    instant - the milliseconds from 1970-01-01T00:00:00Z to round
    
    Returns:
    rounded milliseconds
    
    Throws:
    
    UnsupportedOperationException
  - roundCeiling
```
public long roundCeiling(long instant)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    roundCeiling in class DateTimeField
    
    Parameters:
    instant - the milliseconds from 1970-01-01T00:00:00Z to round
    
    Returns:
    rounded milliseconds
    
    Throws:
    
    UnsupportedOperationException
  - roundHalfFloor
```
public long roundHalfFloor(long instant)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    roundHalfFloor in class DateTimeField
    
    Parameters:
    instant - the milliseconds from 1970-01-01T00:00:00Z to round
    
    Returns:
    rounded milliseconds
    
    Throws:
    
    UnsupportedOperationException
  - roundHalfCeiling
```
public long roundHalfCeiling(long instant)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    roundHalfCeiling in class DateTimeField
    
    Parameters:
    instant - the milliseconds from 1970-01-01T00:00:00Z to round
    
    Returns:
    rounded milliseconds
    
    Throws:
    
    UnsupportedOperationException
  - roundHalfEven
```
public long roundHalfEven(long instant)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    roundHalfEven in class DateTimeField
    
    Parameters:
    instant - the milliseconds from 1970-01-01T00:00:00Z to round
    
    Returns:
    rounded milliseconds
    
    Throws:
    
    UnsupportedOperationException
  - remainder
```
public long remainder(long instant)
```
    Always throws UnsupportedOperationException
    
    Specified by:
    
    remainder in class DateTimeField
    
    Parameters:
    instant - the milliseconds from 1970-01-01T00:00:00Z to get the remainder
    
    Returns:
    remainder duration, in milliseconds
    
    Throws:
    
    UnsupportedOperationException
  - toString
```
public String toString()
```
    Get a suitable debug string.
    
    Specified by:
    
    toString in class Field
    
    Returns:
    debug string

Class UnsupportedDateTimeField

Method Summary

Methods inherited from class java.lang.Object

Method Detail

getInstance

getType

getName

isSupported

isLenient

get

getAsText

getAsText

getAsText

getAsText

getAsText

getAsShortText

getAsShortText

getAsShortText

getAsShortText

getAsShortText

add

add

add

addWrapPartial

addWrapField

addWrapField

getDifference

getDifferenceAsLong

set

set

set

set

set

getDurationField

getRangeDurationField

isLeap

getLeapAmount

getLeapDurationField

getMinimumValue

getMinimumValue

getMinimumValue

getMinimumValue

getMaximumValue

getMaximumValue

getMaximumValue

getMaximumValue

getMaximumTextLength

getMaximumShortTextLength

roundFloor

roundCeiling

roundHalfFloor

roundHalfCeiling

roundHalfEven

remainder

toString