Limits method overloading: Methods differing only by generic parameters cannot be overloaded due to type erasure. Restricts instantiation: You cannot create instances of generic types (e.g., new T()).

To illustrate how generics are used in the Java Collections Framework, let’s look at some examples. List and ArrayList with generics In the above example, we already briefly explored a simpler ...

A method might accept a specific type and its subclasses, but you want to restrict usage to a select few implementations of your own design. Java's open inheritance model can feel like an open ...