Another way to use an asynchronous callback function is to use the CompletableFuture API. This powerful API, introduced in Java 8, facilitates executing and combining asynchronous method invocations.

Using generics results in more robust code and avoids ClassCastExceptions in your Java programs. This in-depth tutorial introduces you to generics and their types and methods.

As a result, when a use case pops up later on and requires the same public method from another class, we can run into problems. Another issue that can arise is that it becomes more difficult for a ...