Facebook 的說法: Link1
To be clear, these passwords were never visible to anyone outside of Facebook and we have found no evidence to date that anyone internally abused or improperly accessed them. We estimate that we will notify hundreds of millions of Facebook Lite users, tens of millions of other Facebook users, and tens of thousands of Instagram users.
well...
JEP 12: Preview Language and VM Features1
看來是會變動,要開 --enable-preview
才能用的語法。
個人也對 preview 這件事還沒搞懂 然後原本的 string multiline literal 也從 preview 先拔掉了XD
Switch expressions is a preview language feature. This essentially means that even though it is complete, it has a possibility of not being confirmed as a permanent feature in a future Java release. This happens for a reason. Java 12 and IntelliJ IDEA1