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Exam AD0-E103 topic 1 question 14 discussion

Actual exam question from Adobe's AD0-E103

Question #: 14
Topic #: 1

[All AD0-E103 Questions]

A developer creates a custom component. The component dialog includes the following two fields:

The component should display the first "˜X' characters of the text entered in the "˜text' input where "˜X' is the number entered in the "˜charLimit' input. If zero, or no value, is entered in the "˜charLimit' input then the text should be unaltered. The developer creates the following Sling Model to perform the trancation:

A Null Pointer Exception occurs if NO charLimit values is set in the component dialog.
What should the developer do to resolve this issue?

A. Replace the defaultValue="0" attribute of the "˜charLimit' field in the dialog with min="0".
B. Add the @Default annotation to the "˜chatLimit' variable in the Sling Model.
C. Replace the defaultValue="0" attribute of the charLimit field in the dialog with defaultValue="{Long}0".
D. Change the defaultInjectionStrategy of the Truncation Sling Model to DefaultInjectionStrategy.REQUIRED.

Show Suggested Answer

Suggested Answer: D 🗳️

by AEMSR at June 30, 2020, 6:24 p.m.

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chunpin

3 years, 3 months ago

Answer: B A. Replace the defaultValue=”0″ attribute of the ‘charLimit’ field in the dialog with min=”0″. (min property is for minimum value allowed) B. Add the @Default annotation to the ‘chatLimit’ variable in the Sling Model. (Correct Answer) C. Replace the defaultValue=”0″ attribute of the charLimit field in the dialog with defaultValue=”{Long}0″. (No such property called defaultValue) D. Change the defaultInjectionStrategy of the Truncation Sling Model to DefaultInjectionStrategy.REQUIRED. (@Optional annotations are only evaluated when using the defaultInjectionStrategy = DefaultInjectionStrategy.REQUIRED (which is the default), )

upvoted 2 times

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cs1979

3 years, 8 months ago

Answer is B

upvoted 4 times

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AEMSR

3 years, 9 months ago

Ans is C

upvoted 1 times

kasyap1125

3 years, 6 months ago

The default value is set using 'value' property, NOT 'defaultValue'. Here @Default will work