如果控制台程序终止，程序中使用的数据库连接是否仍然保持打开状态？

In Java and C#, they both have something like System.terminate(). If my program has open database connections, database readers, and database command variables, and I terminate my program in a catch clause, will database resources still remain in use? or will they be freed automatically since my entire program has just exited?In Java and C#, they both have something like S