Heap Pollution (computer science)
- Heap Pollution (computer science)
In Java programming language, type arguments and variables are not reified at run-time. As a result, different parameterized types are implemented by the same class or interface at run time. Indeed, all invocations of a given generic type declaration share a single run-time implementation. This results in the possibility of heap pollution.
Under certain conditions, it is possible that a variable of a parameterized type refers to an object that is not of that parameterized type. The variable will always refer to an object that is an instance of a class that implements the parameterized type.
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