Salesforce Developer

Question 1

What do you lose when choosing a Visualforce Edit page over a Standard Edit page?

Answer 1

Ability to change page layout use Page Layout Editor and lose Inline editing capabilities in list views

Question 2

What is the declarative alternative to writing Triggers?

Answer 2

Automate Field Updates using Workflow

Question 3

3. What is a declarative alternative for calculating field values in a controller extension?

Answer 3

a. Formula Fields and Roll-Up Summary Fields

Question 4

What is the only relationship a Roll-Up Summary can exist on?

Answer 4

Master-Detail Relationship

Question 5

What Declarative tool can Enforce Business Rules?

Answer 5

a. Validation Rules

Question 6

What two declarative tools can be used to define complex custom business logic and business processes?

Answer 6

a. Approval Processes and Flows

Question 7

What is state and behavior in reference to objects?

Answer 7

a. State is what an object knows while behaviors is what an object can do

Question 8

What specifies the state and behavior of an object?

Answer 8

Variables specify the state while Methods specify the Behavior.

Question 9

Define an Interface

Answer 9

a class in which none of the methods have been implemented—the method signatures are there, but the body of each method is empty

Question 10

What is the condition to use an interface?

Answer 10

a. another class must implement it by providing a body for all of the methods contained in the interface.

Question 11

How many levels of inner classes can exist in Apex?

Answer 11

One

Question 12

What is not necessary in the declaration of an inner class?

Answer 12

An access modifier

Question 13

What is required to define a class?

Answer 13

Access Modifier, Keyword Class

Question 14

What does the Private Access Modifier do?

Answer 14

Class is only known locally, only by this section of code

Question 15

What happens if you don’t specify an access modifier for an inner class?

Answer 15

It defaults to private

Question 16

What does the global access modifier do?

Answer 16

Declares class to be known by all Apex Code everywhere

Question 17

Classes with the Webservice keyword must have what access modifier?

Answer 17

Global

Question 18

What is required if an inner class is defined as global?

Answer 18

The outer class must also be defined as global

Question 19

What keyword can be used to run a class in the sharing mode that called it?

Answer 19

Use the inherited sharing keyword

Question 20

What keyword enforces sharing rules of the current user?

Answer 20

The with sharing keyword

Question 21

What does without sharing keyword do?

Answer 21

Runs class without the current users sharing rules

Question 22

What does the ‘virtual’ definition modifier do?

Answer 22

Declares that the class allows extensions and overrides

Question 23

What is the requirement to use the override keyword?

Answer 23

The class must be defined as virtual

Question 24

What does the ‘abstract’ definition modifier do?

Answer 24

Declares a class to have abstract methods (methods that only have signatures declared and no body defined)

Question 25

A class can implement_____ ______, but only extend _______ _________ _________.

Answer 25

many interfaces, one existing class

Question 26

What are possible modifiers for variables?

Answer 26

public, final, and static

Question 27

What is required to declare a variable?

Answer 27

Datatype and the Name

Question 28

What are the 8 Primitive Data Types supported by Apex?

Answer 28

Integer, Double, Long, Date, Datetime, String, Boolean and ID

Question 29

What is enum?

Answer 29

A data type consisting of typed list of values

Question 30

Define the three collection types

Answer 30

LIst: ordered collection
Set: unordered list without duplicates
Map: list of Key:Value pairs

Question 31

A Set<ID> is commonly used in?</ID>

Answer 31

In a SOQL query as part of the WHERE clause