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Java Standard Edition (SE)

StringCharacterIterator


compact1, compact2, compact3
java.text

Class StringCharacterIterator

    • Method Summary

      All Methods Instance Methods Concrete 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.
    • Constructor Detail

      • StringCharacterIterator

        public StringCharacterIterator(String text)
        Constructs an iterator with an initial index of 0.
        Parameters:
        text - the String to be iterated over
      • 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()
      • 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


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