如何使用java ArrayList中的值更新表？

I'm working on my application where I want to update my table after email has been sent. I created function that connect sql database and java, also in other class I created function that updates table but what I need is these two classes together. I want to use my array-list after execution for updating of my table. Here is my code for connection and sending emails:I'm working on my application where I want to u