Examples of java.text.CharacterIterator.previous()

java.text.CharacterIterator.previous()
Decrements the iterator's index by one and returns the character at the new index. If the current index is getBeginIndex(), the index remains at getBeginIndex() and a value of DONE is returned. @return the character at the new position or DONE if the currentposition is equal to getBeginIndex().

          // valid pair
          size += 4;
        } else {
          // invalid pair
          size += 3;
          iter.previous(); // rewind one
        }
      } else if (ch < 0x80) {
        size++;
      } else if (ch < 0x800) {
        size += 2;

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