In this tutorial, you’ll learn about generics and see three examples of using them with the Java Collections Framework. I’ll also introduce raw types and discuss the instances when you might ...

/** * Instantiate my collections with empty versions using Collections fields. * This will result in javac compiler warnings stating "warning: [unchecked] * unchecked conversion". */ public void ...

Java collection classes allow a developer to keep track of contained ... Fortunately, there are a few strategies to overcome this problem. Here are few examples of how to make multiple values per key ...