LLD - Design — Library Management System
Which of the following is the correct syntax to enqueue a notification message in a message queue?
Which of the following is the correct syntax to enqueue a notification message in a message queue?
easy🧠 Conceptual Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Recall standard queue operation names
Enqueue is the standard term for adding an item to a queue.Step 2: Analyze options for correct method name
enqueue() matches the standard queue operation; push(), add(), insert() are less common or used in other data structures.Final Answer:
messageQueue.enqueue(notification) -> Option AQuick Check:
Queue add method = enqueue() [OK]
Quick Trick: Use enqueue() to add messages to a queue [OK]
Common Mistakes:
MISTAKES- Using push() which is stack operation
- Using add() which is generic but not queue-specific
- Using insert() which is for lists or arrays
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