You need to count votes by candidate name. Which collection pattern is most direct?
Practice this question from Quiz: Collection Comparisons, with options and an explanation.
Question
You need to count votes by candidate name. Which collection pattern is most direct?
Option A — Correct answer
HashMap<String, Integer> frequency map
A map is ideal for key-to-count storage.
Option B
ArrayDeque as a stack only
Option C
ThreadLocal only
Option D
A single char variable
Explanation
A HashMap from candidate name to count is the standard frequency counting pattern.