Iterate a subset of a string : CharacterIterator « I18N « Java Tutorial

import java.text.CharacterIterator;
import java.text.StringCharacterIterator;

public class Main {

  public static void main(String[] args) {
    String text = "this is a test";
    CharacterIterator it = new StringCharacterIterator(text, 4, 27, 5);

    for (char ch = it.first(); ch != CharacterIterator.DONE; ch = {

13.21.1.Reverse a string using CharacterIterator
13.21.2.Iterate each characters of a string
13.21.3.Iterate a subset of a string
13.21.4.Iterating the Characters of a String
13.21.5.Iterate over the characters in the backward direction
13.21.6.Use CharacterIterator to loop through a string
13.21.7.Change the characters
13.21.8.Create an iterator on a substring (efgh)