A callback operation in Java is one function that is passed to another function and executed after some action is completed. A callback can be executed either synchronously or asynchronously. In the ...

Asynchronous code (async code) says: go do something while I do other things, then let me know what happened when the results are ready. Also known as concurrency, async is important in a variety of ...

In a previous post, I shared five strategies for preparing for a job interview. These techniques still apply if you get called back for additional interviews. However, the callback stage is different ...