use Inline Java => <<'END', AUTOSTUDY => 1 ;
      import java.util.* ;

      class Pod_10 {
         public Pod_10(){
         }

         public HashMap get_hm(){
            HashMap hm = new HashMap() ;
            return hm ;
         }
      }
   END

   my $obj = new Pod_10() ;
   my $hm = $obj->get_hm() ;
   $hm->put("key", "value") ;
   my $val = $hm->get("key") ;
   print($val . "\n") ; # prints value