[Solved] Given this code snippet, what will be the output when the Subject's state changes?... Given this code snippet, what will be the output when the Subject's state changes?subject.addObserver(observer1); | LLD

LLD - Design — Chess Game

Given this code snippet, what will be the output when the Subject's state changes?

subject.addObserver(observer1);
subject.addObserver(observer2);
subject.setState(10);

Assuming observers print the new state on update.

Aobserver1: 10 observer2: 10

Bobserver1: 0 observer2: 0

Cobserver1: 10

DNo output because observers are not notified

Step-by-Step Solution

Solution:

Step 1: Understand observer registration
Both observer1 and observer2 are registered to the subject.
Step 2: Analyze state change notification
When subject.setState(10) is called, it notifies all observers with the new state.
Final Answer:
observer1: 10 observer2: 10 -> Option A
Quick Check:
All observers notified with new state = Output A [OK]

Quick Trick: All registered observers get notified on state change [OK]

Common Mistakes:

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Given this code snippet, what will be the output when the Subject's state changes?