Online Access Free CRT-450 Exam Questions

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No.# B,C,E

ref: https://developer.salesforce.com/docs/atlas.en-us.lightning.meta/lightning/js_libs_platform.htm

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No.# Don, it's B only. "statement is unnecessary"

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No.# In Real exam, we have to choose 3 Ans... which 3 are correct ?

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No.# Have no "Change Set from Developer Org".
so that why correct answer is: ABC
A. Force.com IDE
B. Change Set from Sandbox
C. Metadata API

https://trailhead.salesforce.com/trailblazer-community/feed/0D54S00000A8RjuSAF

No.# Below is class:

public class myController {
public String myString;
public String getMyString() {
return 'getmyString';
}
public String getStringMethod1() {
return myString;
}
public String getStringMethod2() {
if (myString == null)
myString ='Method2';
return myString;
}
}
{!myString},
{!StringMethod1},
{!StringMethod2},
{!myString}

No.# B. Developer Edition

No.# Correct answer!!!!

No.# According to me answer will be A and B.
Controller extension leverages the built-in-functionality of Standard Controller, but overrides one or more actions.
Where as, Custom Controller replaces the functionality of Standard Controller without leveraging it.
There is a significant difference in between leveraging and replacing.
Also, think about that, a class to be recognized as controller extension it must have a constructor that takes a single argument of type ApexPages.StandardController or custom controller you want to extend.
For more information, refer What are Custom Controllers and Controller Extensions?
https://developer.salesforce.com/docs/atlas.en-us.pages.meta/pages/pages_controller_def.htm