Exam Certified Platform Developer II topic 1 question 128 discussion

Actual exam question from Salesforce's Certified Platform Developer II

Question #: 128
Topic #: 1

[All Certified Platform Developer II Questions]

A developer has a page with two extensions overriding the Standard controller for Case.
<apex:page standardController="Case" extension="CaseExtensionOne,CaseExtension Two" showHeader="false"> Each extension has a method called Save. The page has a command button as defined: <apex:commandButton value="Save" action="{!save}"/>
What will happen when a user clicks the command button?

A. All of the three Save methods will be executed
B. Save from Case Standard Controller will be executed
C. Save from CaseExtensionTwo will be executed
D. Save from CaseExtensionOne will be executed

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Suggested Answer: D 🗳️

by drwebber at Dec. 8, 2021, 6:48 a.m.

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FriedConsole2000

11 months, 1 week ago

Selected Answer: D

It is "D". Leftmost extension.

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Sapphire808

1 year, 3 months ago

Selected Answer: A

All of the controllers will execute if it is not specified, but the order is never guaranteed. The documentation does say that what will be shown will be overwritten by extension 1 but it does not state that the other extensions will not be executed, with the keyword being overwritten (potentially meaning it did execute but it will not be the final value returned). https://developer.salesforce.com/docs/atlas.en-us.pages.meta/pages/pages_controller_extension.htm

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