4.8. Raw Types
To facilitate interfacing with non-generic legacy code, it is possible to use as a type the erasure (§4.6) of a parameterized type (§4.5) or the erasure of an array type (§10.1) whose element type is a parameterized type. Such a type is called a raw type.
More precisely, a raw type is defined to be one of:
• The reference type that is formed by taking the name of a generic type declaration without an accompanying type argument list.
• An array type whose element type is a raw type.
• A non-static member type of a raw type R that is not inherited from a superclass or superinterface of R.
A non-generic class or interface type is not a raw type.
To see why a non-static type member of a raw type is considered raw, consider the following ...
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