import java.util.ArrayList;
import java.util.Date;
import java.util.List;
public class ListProg
{
   public static void main(String[] pArgs)
   {
      List tList = new ArrayList();
      tList.add("Hello world");
      String tNewString = (String)tList.get(0);
      System.out.println(tNewString.substring(0, 5));
      Date tDate = new Date();
      tList.add(tDate);
      Date tNewDate = (Date)tList.get(1);
      System.out.println(tNewDate.getMonth());
      int tNumber = 123;
      Integer tWrapper = new Integer(tNumber);
      tList.add(tWrapper);
      Integer tNewWrapper = (Integer)tList.get(2);
      int tNewNumber = tNewWrapper.intValue();
      System.out.println(tNewNumber);
      int tValue = 123;
      tList.add(tValue);
      int tNewValue = (Integer)tList.get(3);
      System.out.println(tNewValue);

   }
}