Iterators may be generic. : generics « Utility Classes « SCJP

1. SCJP
2. Utility Classes
3. generics

import java.util.Iterator;
import java.util.Vector;

public class MainClass {
  public static void main(String[] argv) {
    Vector<MyClass> vec = new Vector<MyClass>();
    vec.addElement(new MyClass());

    Iterator<MyClass> iter = vec.iterator();
    while (iter.hasNext())
      System.out.println(iter.next().intValue);
  }

}

class MyClass {
  public int intValue = 9;
}