Generics are integrated into Java Collections to provide compile-time ... issues a warning when using raw types: List list = new ArrayList(); // Warning: Raw use of parameterized class 'List ...

To illustrate the various approaches to iteration in Java, I need an example of a collection and something that needs to be done with its elements. For the initial part of this article I’ll use ...

all the collection classes in the JDK hold data as objects. If a developer has a set of int values they want to store in an ArrayList, it can’t be done. Unless, of course, they use a corresponding ...