Java by API/java.text/CharacterIterator

CharacterIterator: current()

   <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");
   char ch = it.first(); 
   ch = it.current(); 
   ch = it.next(); 
   ch = it.current(); 
   ch = it.last(); 
   int pos = it.getIndex(); 
   ch = it.next(); 
   pos = it.getIndex(); 
   ch = it.previous(); 
   ch = it.setIndex(1);
 }

}

 </source>
   
  
 
  

CharacterIterator.DONE

   <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>
   
  
 
  

CharacterIterator: first()

   <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");
   char ch = it.first(); 
   ch = it.current(); 
   ch = it.next(); 
   ch = it.current(); 
   ch = it.last(); 
   int pos = it.getIndex(); 
   ch = it.next(); 
   pos = it.getIndex(); 
   ch = it.previous(); 
   ch = it.setIndex(1);
 }

}

 </source>
   
  
 
  

CharacterIterator: getIndex()

   <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");
   char ch = it.first(); 
   ch = it.current(); 
   ch = it.next(); 
   ch = it.current(); 
   ch = it.last(); 
   int pos = it.getIndex(); 
   ch = it.next(); 
   pos = it.getIndex(); 
   ch = it.previous(); 
   ch = it.setIndex(1);
 }

}

 </source>
   
  
 
  

CharacterIterator: last()

   <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>
   
  
 
  

CharacterIterator: previous()

   <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>
   
  
 
  

CharacterIterator: setIndex(int position)

   <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");
   char ch = it.first(); 
   ch = it.current(); 
   ch = it.next(); 
   ch = it.current(); 
   ch = it.last(); 
   int pos = it.getIndex(); 
   ch = it.next(); 
   pos = it.getIndex(); 
   ch = it.previous(); 
   ch = it.setIndex(1);
 }

}

 </source>