Which of these Java library classes are implemented using type variables?
I HashMap
II LinkedList
III ArrayList
A) I and II
B) II and III
C) I and III
D) I, II and III

Name: Which of these Java library classes are implemented using type variables? I HashMap II LinkedList III ArrayList A) I and II B) II and III C) I and III D) I, II and III
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Question

Quizplus · Accepted Answer

All three classes, HashMap, LinkedList, and ArrayList, are implemented using type variables (generics) in Java to allow them to store objects of any type.

Which of These Java Library Classes Are Implemented Using Type