Category: Implications for Overloading
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Converting an ArrayList to an Array – Collections, Part I: ArrayList
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12.6 Converting an ArrayList<E> to an Array The following methods are specified by the Collection<E> interface and can be used to convert a collection to an array. List and set implementations in the java.util package provide customized versions of the first two methods for this purpose. In this section we…
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Wildcard Capture – Generics
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11.9 Wildcard Capture As we have seen, a wildcard can represent a family of types. However, the compiler needs to have a more concrete notion of a type than a wildcard in order to do the necessary type checking. Internally, the compiler represents the wildcard by some anonymous but specific…