Generics limit Java code somewhat.Which of the following are considered limitations of generic code?
i.cannot have an array of a generic type
II.cannot have primitive type variables
III.cannot construct an object of a generic type
A)I only
B)I, II and III
C)II only
D)III only

Question

Quizplus · Accepted Answer

I is a limitation because of type erasure, where at runtime the generic type information is not available. Therefore, you cannot create an array of a generic type since the compiler cannot guarantee type safety.
II is a limitation because generics only work with reference types and not primitive types. You can use the generic wrapper classes, such as Integer or Double, instead.
III is a limitation because you cannot use the new operator to create a new instance of a generic type. You must use the constructor of the type parameter class, which may require additional type information.

Generics Limit Java Code Somewhat