Generics make your code more flexible and easier to read, and they help you avoid ClassCastExceptions at runtime. Get started with this introduction to using generics with the Java Collections ...

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. Generics are used in ...

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...

Generic classes and functions are one way to create flexible, reusable classes and functions. But before you start creating your own generic functions, you should be clear on when they’re your best ...

Brian Goetz, Oracle's Java language architect, has been talking for quite a while about the need for new features in Java and the Java Virtual Machine (JVM) to improve its typing system on several ...

Covariance and contravariance are precise terms that describe which conversions are safe on parameters and return types. Learn practical definitions for those terms, what new constructs will be ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. This article introduces practical methods for ...

The fun part about a programming language like C is that although the language doesn’t directly support many features including object-oriented programming and generics, there’s nothing that’s keeping ...

I have an object that implements IDisplayData. I have confirmed that its Data value implements IListData, which indicates it is a subclass of List<> I'd like to return a list of my object's .Data ...