Java Interview Questions · interview question
When should a Java developer choose ArrayDeque as a Stack deliberately?
Multiple choiceMediumjava-interview-2026interviewjavause
Answer and explanation
Correct answer
B. Use ArrayDeque when you need push, pop, and peek behavior without thread-safe legacy APIs.
Why
Use ArrayDeque when you need push, pop, and peek behavior without thread-safe legacy APIs. Interviewers often ask this to see whether you can connect the concept to real design decisions.
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