java.lang.Object
- java.text.StringCharacterIterator

All Implemented Interfaces:

Cloneable, CharacterIterator
```
public final class StringCharacterIterator
extends Object
implements CharacterIterator
```
StringCharacterIterator implements the CharacterIterator protocol for a String. The StringCharacterIterator class iterates over the entire String.

See Also:
CharacterIterator

Field Summary
- Fields inherited from interface java.text.CharacterIterator
  DONE

Constructor Summary

Constructors
Constructor and Description
`StringCharacterIterator(String text)` Constructs an iterator with an initial index of 0.
`StringCharacterIterator(String text, int pos)` Constructs an iterator with the specified initial index.
`StringCharacterIterator(String text, int begin, int end, int pos)` Constructs an iterator over the given range of the given string, with the index set at the specified position.

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Method Summary

Methods
Modifier and Type	Method and Description
`Object`	`clone()` Creates a copy of this iterator.
`char`	`current()` Implements CharacterIterator.current() for String.
`boolean`	`equals(Object obj)` Compares the equality of two StringCharacterIterator objects.
`char`	`first()` Implements CharacterIterator.first() for String.
`int`	`getBeginIndex()` Implements CharacterIterator.getBeginIndex() for String.
`int`	`getEndIndex()` Implements CharacterIterator.getEndIndex() for String.
`int`	`getIndex()` Implements CharacterIterator.getIndex() for String.
`int`	`hashCode()` Computes a hashcode for this iterator.
`char`	`last()` Implements CharacterIterator.last() for String.
`char`	`next()` Implements CharacterIterator.next() for String.
`char`	`previous()` Implements CharacterIterator.previous() for String.
`char`	`setIndex(int p)` Implements CharacterIterator.setIndex() for String.
`void`	`setText(String text)` Reset this iterator to point to a new string.

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Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - StringCharacterIterator
```
public StringCharacterIterator(String text)
```
    Constructs an iterator with an initial index of 0.
  - StringCharacterIterator
```
public StringCharacterIterator(String text,
                       int pos)
```
    Constructs an iterator with the specified initial index.
    
    Parameters:
    text - The String to be iterated over
    pos - Initial iterator position
  - StringCharacterIterator
```
public StringCharacterIterator(String text,
                       int begin,
                       int end,
                       int pos)
```
    Constructs an iterator over the given range of the given string, with the index set at the specified position.
    
    Parameters:
    text - The String to be iterated over
    begin - Index of the first character
    end - Index of the character following the last character
    pos - Initial iterator position
- Method Detail
  - setText
```
public void setText(String text)
```
    Reset this iterator to point to a new string. This package-visible method is used by other java.text classes that want to avoid allocating new StringCharacterIterator objects every time their setText method is called.
    
    Parameters:
    text - The String to be iterated over
    Since:
    
    1.2
  - first
```
public char first()
```
    Implements CharacterIterator.first() for String.
    
    Specified by:
    
    first in interface CharacterIterator
    
    Returns:
    the first character in the text, or DONE if the text is empty
    See Also:
    CharacterIterator.first()
  - last
```
public char last()
```
    Implements CharacterIterator.last() for String.
    
    Specified by:
    
    last in interface CharacterIterator
    
    Returns:
    the last character in the text, or DONE if the text is empty
    See Also:
    CharacterIterator.last()
  - setIndex
```
public char setIndex(int p)
```
    Implements CharacterIterator.setIndex() for String.
    
    Specified by:
    
    setIndex in interface CharacterIterator
    
    Parameters:
    p - the position within the text. Valid values range from getBeginIndex() to getEndIndex(). An IllegalArgumentException is thrown if an invalid value is supplied.
    
    Returns:
    the character at the specified position or DONE if the specified position is equal to getEndIndex()
    See Also:
    CharacterIterator.setIndex(int)
  - current
```
public char current()
```
    Implements CharacterIterator.current() for String.
    
    Specified by:
    
    current in interface CharacterIterator
    
    Returns:
    the character at the current position or DONE if the current position is off the end of the text.
    See Also:
    CharacterIterator.current()
  - next
```
public char next()
```
    Implements CharacterIterator.next() for String.
    
    Specified by:
    
    next in interface CharacterIterator
    
    Returns:
    the character at the new position or DONE if the new position is off the end of the text range.
    See Also:
    CharacterIterator.next()
  - previous
```
public char previous()
```
    Implements CharacterIterator.previous() for String.
    
    Specified by:
    
    previous in interface CharacterIterator
    
    Returns:
    the character at the new position or DONE if the current position is equal to getBeginIndex().
    See Also:
    CharacterIterator.previous()
  - getBeginIndex
```
public int getBeginIndex()
```
    Implements CharacterIterator.getBeginIndex() for String.
    
    Specified by:
    
    getBeginIndex in interface CharacterIterator
    
    Returns:
    the index at which the text begins.
    See Also:
    CharacterIterator.getBeginIndex()
  - getEndIndex
```
public int getEndIndex()
```
    Implements CharacterIterator.getEndIndex() for String.
    
    Specified by:
    
    getEndIndex in interface CharacterIterator
    
    Returns:
    the index after the last character in the text
    See Also:
    CharacterIterator.getEndIndex()
  - getIndex
```
public int getIndex()
```
    Implements CharacterIterator.getIndex() for String.
    
    Specified by:
    
    getIndex in interface CharacterIterator
    
    Returns:
    the current index.
    See Also:
    CharacterIterator.getIndex()
  - equals
```
public boolean equals(Object obj)
```
    Compares the equality of two StringCharacterIterator objects.
    
    Overrides:
    
    equals in class Object
    
    Parameters:
    obj - the StringCharacterIterator object to be compared with.
    
    Returns:
    true if the given obj is the same as this StringCharacterIterator object; false otherwise.
    See Also:
    Object.hashCode(), HashMap
  - hashCode
```
public int hashCode()
```
    Computes a hashcode for this iterator.
    
    Overrides:
    
    hashCode in class Object
    
    Returns:
    A hash code
    See Also:
    Object.equals(java.lang.Object), System.identityHashCode(java.lang.Object)
  - clone
```
public Object clone()
```
    Creates a copy of this iterator.
    
    Specified by:
    
    clone in interface CharacterIterator
    
    Overrides:
    
    clone in class Object
    
    Returns:
    A copy of this
    See Also:
    Cloneable

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Dokument erstellt 11/06/2005, zuletzt geändert 04/03/2020
Quelle des gedruckten Dokuments:https://www.gaudry.be/de/java-api-rf-java/text/stringcharacteriterator.html

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Referenzen

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Inhaltsverzeichnis Haut

Class StringCharacterIterator

Field Summary

Fields inherited from interface java.text.CharacterIterator

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

StringCharacterIterator

StringCharacterIterator

StringCharacterIterator

Method Detail

setText

first

last

setIndex

current

next

previous

getBeginIndex

getEndIndex

getIndex

equals

hashCode

clone

Referenzen