3
votes
2answers
222 views

Parameterized Java Types (Generics)

Consider this "legacy" code: public interface IPersistentCollection { IPersistentCollection cons(Object o); } Genericized in Java, it could become something like this: public interface ...
0
votes
1answer
142 views

Type Safety of Spray.io

Yesterday I read a tweet disparaging Jersey with JAX-RS due to run-time errors. Spray.io was mentioned in the tweet: Not even 5 minutes using Jersey / JAX-RS and already a runtime error due to a ...
81
votes
18answers
8k views

Is it poor programming practice to pass parameters as Objects? [duplicate]

So, we've got a guy who likes to write methods that take Objects as parameters, so they can be 'very flexible.' Then, internally, he either does direct casting, reflection or method overloading to ...