public class TestStack
{
    public static void main( String [ ] args )
    {
        StackAr s = new StackAr( 12 );

        try
        {
            for( int i = 0; i < 10; i++ )
                s.push( new Integer( i ) );
        }
        catch( Overflow e ) { System.out.println( "Unexpected overflow" ); }

        while( !s.isEmpty( ) )
            System.out.println( s.topAndPop( ) );
    }
}