What operations in Java are considered atomic?
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.
volatilevariablesand maybe something more. Look at the jls.
As noted in the comments, atomicity does not imply visibility. So while another thread is guaranteed not to see a partially written
int, it may never see the new value.The operations on long and double are on common 64 bit CPUs atomic as well, although there’s no guarantee. See also this feature request.