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Summary: Ctors | Methods | Inherited Methods

FieldPosition

public class FieldPosition
extends Object

java.lang.Object
↳	java.text.FieldPosition

FieldPosition is a simple class used by Format and its subclasses to identify fields in formatted output. Fields can be identified in two ways:

By an integer constant, whose names typically end with _FIELD. The constants are defined in the various subclasses of Format.
By a Format.Field constant, see ERA_FIELD and its friends in DateFormat for an example.

FieldPosition keeps track of the position of the field within the formatted output with two indices: the index of the first character of the field and the index of the last character of the field.

One version of the format method in the various Format classes requires a FieldPosition object as an argument. You use this format method to perform partial formatting or to get information about the formatted output (such as the position of a field).

If you are interested in the positions of all attributes in the formatted string use the Format method formatToCharacterIterator.

See also:

Format

Summary

Public constructors
`FieldPosition(int field)` Creates a FieldPosition object for the given field.
`FieldPosition(Format.Field attribute)` Creates a FieldPosition object for the given field constant.
`FieldPosition(Format.Field attribute, int fieldID)` Creates a `FieldPosition` object for the given field.

Public methods
`boolean`	`equals(Object obj)` Overrides equals
`int`	`getBeginIndex()` Retrieves the index of the first character in the requested field.
`int`	`getEndIndex()` Retrieves the index of the character following the last character in the requested field.
`int`	`getField()` Retrieves the field identifier.
`Format.Field`	`getFieldAttribute()` Returns the field identifier as an attribute constant from one of the `Field` subclasses.
`int`	`hashCode()` Returns a hash code for this FieldPosition.
`void`	`setBeginIndex(int bi)` Sets the begin index.
`void`	`setEndIndex(int ei)` Sets the end index.
`String`	`toString()` Return a string representation of this FieldPosition.

Inherited methods

From class


        
          java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

Public constructors

FieldPosition

public FieldPosition (int field)

Creates a FieldPosition object for the given field. Fields are identified by constants, whose names typically end with _FIELD, in the various subclasses of Format.

Parameters
`field`	`int`: the field identifier

See also:

FieldPosition

public FieldPosition (Format.Field attribute)

Creates a FieldPosition object for the given field constant. Fields are identified by constants defined in the various Format subclasses. This is equivalent to calling new FieldPosition(attribute, -1).

Parameters
`attribute`	`Format.Field`: Format.Field constant identifying a field

FieldPosition

public FieldPosition (Format.Field attribute, 
                int fieldID)

Creates a FieldPosition object for the given field. The field is identified by an attribute constant from one of the Field subclasses as well as an integer field ID defined by the Format subclasses. Format subclasses that are aware of Field should give precedence to attribute and ignore fieldID if attribute is not null. However, older Format subclasses may not be aware of Field and rely on fieldID. If the field has no corresponding integer constant, fieldID should be -1.

Parameters
`attribute`	`Format.Field`: Format.Field constant identifying a field
`fieldID`	`int`: integer constant identifying a field

Public methods

equals

public boolean equals (Object obj)

Overrides equals

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

Returns
`boolean`	`true` if this object is the same as the obj argument; `false` otherwise.

getBeginIndex

public int getBeginIndex ()

Retrieves the index of the first character in the requested field.

Returns
`int`	the begin index

getEndIndex

public int getEndIndex ()

Retrieves the index of the character following the last character in the requested field.

Returns
`int`	the end index

getField

public int getField ()

Retrieves the field identifier.

Returns
`int`	the field identifier

getFieldAttribute

public Format.Field getFieldAttribute ()

Returns the field identifier as an attribute constant from one of the Field subclasses. May return null if the field is specified only by an integer field ID.

Returns
`Format.Field`	Identifier for the field

hashCode

public int hashCode ()

Returns a hash code for this FieldPosition.

Returns
`int`	a hash code value for this object

setBeginIndex

public void setBeginIndex (int bi)

Sets the begin index. For use by subclasses of Format.

Parameters
`bi`	`int`: the begin index

setEndIndex

public void setEndIndex (int ei)

Sets the end index. For use by subclasses of Format.

Parameters
`ei`	`int`: the end index

toString

public String toString ()

Return a string representation of this FieldPosition.

Returns
`String`	a string representation of this object

Interfaces

Classes

Enums

Exceptions

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FieldPosition

Summary

Public constructors

Public methods

Inherited methods

Public constructors

FieldPosition

FieldPosition

FieldPosition

Public methods

equals

getBeginIndex

getEndIndex

getField

getFieldAttribute

hashCode

setBeginIndex

setEndIndex

toString