//  ArrayListMethods.java  (c) 2005 Kari Laitinen

//  http://www.naturalprogramming.com

//  This program demonstrates the methods of the standard
//  class ArrayList.

//  The removeRange() method of class ArrayList is a protected
//  method, and thus not usable in this program.

//  2004-09-26  File created.
//  2005-06-07  Last modification.

import java.util.* ;

class ArrayListMethods
{
   static void print_array( ArrayList<? extends Object> given_array )
   {
      System.out.print( "\n\n " ) ;

      for ( int element_index  =  0 ;
                element_index  <  given_array.size() ;
                element_index  ++ )
      {
         System.out.printf( "%5s", given_array.get( element_index ) ) ;
      }
   }

   public static void main( String[] not_in_use )
   {
      ArrayList<Object> array_of_integers  =  new  ArrayList<Object>() ;

      array_of_integers.add( 202 ) ;
      array_of_integers.add( 101 ) ;
      array_of_integers.add( 505 ) ;
      array_of_integers.add( 404 ) ;

      System.out.print( "\n Value 404 has index:  "
                  +  array_of_integers.indexOf( 404 )  ) ;

      print_array( array_of_integers ) ;

      array_of_integers.add( 2, 999 ) ;
      array_of_integers.add( 2, 888 ) ;
      print_array( array_of_integers ) ;

      array_of_integers.remove( 4 ) ;
      print_array( array_of_integers ) ;

      array_of_integers.remove( new Integer( 888 ) ) ;
      print_array( array_of_integers ) ;


      ArrayList<Character>  array_of_characters  =
                                       new  ArrayList<Character>() ;

      array_of_characters.addAll( Collections.nCopies( 5, 'Z' ) ) ;

      print_array( array_of_characters ) ;

      array_of_integers.addAll( array_of_characters ) ;
      print_array( array_of_integers ) ;

      array_of_integers.remove( 3 ) ;
      array_of_integers.remove( 3 ) ;
      print_array( array_of_integers ) ;

      array_of_integers.clear() ;
      array_of_integers.add( 99.99 ) ;
      print_array( array_of_integers ) ;

      array_of_integers.clear() ;

      array_of_integers.add( 333 ) ;
      array_of_integers.add( 334 ) ;
      array_of_integers.add( 335 ) ;
      array_of_integers.add( 336 ) ;
      print_array( array_of_integers ) ;


      Object[] array_of_objects  =  array_of_integers.toArray() ;

      Collections.addAll( array_of_integers, array_of_objects ) ;

      print_array( array_of_integers ) ;

      Integer[] new_array_of_integers  =  new  Integer[ 3 ] ;

      new_array_of_integers  =  array_of_integers.toArray(
                                          new_array_of_integers ) ;

      Collections.addAll( array_of_integers, new_array_of_integers ) ;

      print_array( array_of_integers ) ;

   }
}



/***
      The second array could alternatively be created with the statement


      ArrayList  array_of_characters  =  new  ArrayList(

                                        Collections.nCopies( 5, 'Z' ) ) ;


***/