PDII Exam Dumps | Universal Containers stores user preferences in a Hierarchy Custom Setting, User_Prefs

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Salesforce.PDII.v2022-06-21.q138
Question 31

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Question 31/138

Universal Containers stores user preferences in a Hierarchy Custom Setting, User_Prefs_c, with a Checkbox field, Show_Help_c. Company-level defaults are stored at the organizational level, but may be overridden at the user level. If a user has not overridden preferences, then the defaults should be used.
How should the Show_Help_c preference be retrieved for the current user?

A. Boolean show = User_Prefs__c.getValues(UserInfo.getUserId()).Show_Help__c;

B. Boolean show = User_Prefs__c.getInstance().Show_Help__c;

C. Boolean show = User_Prefs__c.Show_Help__c;

D. Boolean show = User_Prefs__c.getValues().Show_Help__c;

Correct Answer: A

Explanation/Reference: https://developer.salesforce.com/forums/?id=906F00000008ySqIAI

Recent Comments (The most recent comments are at the top.)

Francis Huang - Jul 31, 2022

Answer should be B.

CustomSetting__c getInstance() - Returns a custom setting data set record for the current user. The fields returned in the custom setting record are merged based on the lowest level fields that are defined in the hierarchy.

The problem with A is that it will throw a null exception if no value is defined for the user.

https://developer.salesforce.com/docs/atlas.en-us.apexref.meta/apexref/apex_methods_system_custom_settings.htm

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