When should I use the java 5 method cast of Class?

Question

Looking through some code I came across the following code

trTuDocPackTypdBd.update(TrTuDocPackTypeDto.class.cast(packDto));

and I\'d like

Answer 1

The main case for doing it (IME) is when you need to safely cast in a generic class/method. Due to type erasure, you can't cast to T but if you've been provided a Class parameter then you can use that to cast and the result will be assignable to a variable of type T.