I select a list of ids from database via ibatis, but when try to add a new element, it throw a unsupported exception.
Is the list return by ibatis is final or immutable?
I select a list of ids from database via ibatis, but when try to
Share
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
I select a list of ids from database via ibatis, but when try to add a new element, it throw a unsupported exception.
Is the list return by ibatis is final or immutable?
Yes it is a read only list and may be backed by a database cursor that reads and caches as you iterate over the list. Before you can manipulate your data you should copy it.