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Java Source Code / Java Documentation » Apache Harmony Java SE » java package » java.text

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Class Diagram

Java Document (Java Doc)

java.text .CharacterIterator

All known Subclasses:   java.text .StringCharacterIterator,
CharacterIterator
public interface CharacterIterator extends Cloneable(Code)
CharacterIterator is used to sequence over a group of characters. The iteration starts at the begin index in the group of character and continues to one index before the end index.

Field Summary
final public static char DONE
     A constant which indicates there is no character.

Method Summary
public Object clone()
     Answers a new CharacterIterator with the same properties.
public char current()
     Answers the character at the current index.
public char first()
     Sets the current position to the begin index and answers the character at the begin index.
public int getBeginIndex()
     Answers the begin index.
public int getEndIndex()
     Answers the end index.
public int getIndex()
     Answers the current index.
public char last()
     Sets the current position to the end index - 1 and answers the character at the current position.
public char next()
     Increments the current index and returns the character at the new index.
public char previous()
     Decrements the current index and returns the character at the new index.
public char setIndex(int location)
     Sets the current index.

Field Detail
DONE
final public static char DONE(Code)
A constant which indicates there is no character.

Method Detail
clone
public Object clone()(Code)
Answers a new CharacterIterator with the same properties. a shallow copy of this CharacterIterator
See Also:   java.lang.Cloneable

current
public char current()(Code)
Answers the character at the current index. the current character, or DONE if the current index is past theend

first
public char first()(Code)
Sets the current position to the begin index and answers the character at the begin index. the character at the begin index

getBeginIndex
public int getBeginIndex()(Code)
Answers the begin index. the index of the first character to iterate

getEndIndex
public int getEndIndex()(Code)
Answers the end index. the index one past the last character to iterate

getIndex
public int getIndex()(Code)
Answers the current index. the current index

last
public char last()(Code)
Sets the current position to the end index - 1 and answers the character at the current position. the character before the end index

next
public char next()(Code)
Increments the current index and returns the character at the new index. the character at the next index, or DONE if the next index ispast the end

previous
public char previous()(Code)
Decrements the current index and returns the character at the new index. the character at the previous index, or DONE if the previousindex is past the beginning

setIndex
public char setIndex(int location)(Code)
Sets the current index. the character at the new index, or DONE if the index is past theend
exception:
  IllegalArgumentException - when the new index is less than the begin index or greaterthan the end index

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