Java by API/java.text/StringCharacterIterator

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new StringCharacterIterator(String text)

   <source lang="java">

import java.text.CharacterIterator; import java.text.StringCharacterIterator; public class Main {

 private static final String text = "this is a test";
 public static void main(String[] args) {
   CharacterIterator it = new StringCharacterIterator(text);
   for (char ch = it.last(); ch != CharacterIterator.DONE; ch = it.previous()) {
     System.out.print(ch);
   }
 }

}

 </source>
   
  
 
  



StringCharacterIterator: setText(String text)

   <source lang="java">

import java.text.CharacterIterator; import java.text.StringCharacterIterator; public class Main {

 public static void main(String[] argv) throws Exception {
   CharacterIterator it = new StringCharacterIterator("abcd");
   ((StringCharacterIterator) it).setText("efgh");
   char ch = it.current(); 
 }

}

 </source>