合法指定 meaning in Chinese

legal appointment

Checked exceptions represent useful information about the operation of a legally specified request that the caller may have had no control over and that the caller needs to be informed about - for example , the file system is now full , or the remote end has closed the connection , or the access privileges don t allow this action
检查型异常代表关于一个合法指定的请求的操作的有用信息，调用者可能已经对该操作没有控制，并且调用者需要得到有关的通知例如，文件系统已满，或者远端已经关闭连接，或者访问权限不允许该动作。