Oops Questions

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Queue Using Class

Medium
3 views 24 Jan 2026
Implement a queue with methods enqueue, dequeue, size. Process commands: ENQ x, DEQ, SIZE. Print outputs of DEQ and SIZE....
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Event Emitter Basics

Hard
5 views 24 Jan 2026
Process commands on an emitter: ON event, ONCE event, EMIT event, OFF event. Maintain how many times handler runs and print total at end....
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