import java.lang.*;
import java.util.Iterator;
import java.util.List;
import java.util.LinkedList;

/**
 * Sample to convert String and basic type.
 */
class GenericTypeSample {

  /**
   * Do it.
   */
  public void doIt() {
    // add elements to list.
    List<String> list = new LinkedList<String>();
    list.add("Hello,");
    list.add("World!");

    // show list.
    Iterator<String> it = list.iterator();
    while (it.hasNext()) {
      String message = it.next();
      System.out.println(message);
    }
  }

  public static void main(String args[]) {
    GenericTypeSample sample = new GenericTypeSample();
    sample.doIt();
  }
}