java代码添加mysql存储过程，触发器

String procedureSQL = "create procedure USER_EXIST(in loginName varchar(50),out amount int)" +
"select count(*) from sys_menu";
String  trigger = "create  TRIGGER bj_customer before insert on t_user"+
" for each row  begin  insert into t_role(id,rolename) values(new.id,new.username);end";

try {
Connection connection = getConnection();
PreparedStatement prepareStatement = connection.prepareStatement(trigger);
prepareStatement.executeUpdate();

} catch (SQLException e) {
e.printStackTrace();
}