Êþº¾3+jp/ac/kcska/questionsystem/AbstractDatabasejava/lang/Object getConnection()Ljava/sql/Connection; excuteSelect((Ljava/lang/String;)Ljava/sql/ResultSet; Exceptions java/sql/SQLException excuteUpdate(Ljava/lang/String;)I excuteInsert(Ljava/lang/String;)Z SourceFileAbstractDatabase.java