Java by API/java.util/Collection

Collection: iterator()

   <source lang="java">

import java.util.ArrayList; import java.util.Collection; import java.util.Iterator; public class Main {

 public static void main(String[] a) {
   Collection<String> c = new ArrayList<String>();
   c.add("1");
   c.add("2");
   c.add("3");
   Iterator i = c.iterator();
   while (i.hasNext()) {
     System.out.println(i.next());
   }
 }

}

 </source>