User Interface

Question 1

What action methods are supported by standard controllers?

Answer 1

Save, Quicksave, Edit, Delete, Cancel, List

Question 2

When are setter methods executed?

Answer 2

Setter methods are executed prior to action methods

Question 3

What is the ‘set’ method used for in regards to Visualforce?

Answer 3

The ‘set’ method is used to pass values from the Visualforce page to the controller

Question 4

How are setter methods named?

Answer 4

Setter methods must always be named setVariable where ‘variable’ is the property name

Question 5

How do we associate a standard controller with a Visualforce page?

Answer 5

Use the standardController attribute on the tag and assign it the name of any salesforce object that can be queried using the Force.com API

Question 6

What does every standard controller include?

Answer 6

Every standard controller includes a getter method that returns the record specified by the id query string parameter in the page URL

Question 7

What is the correct syntax for a custom controller named ‘CustomController1’?

Answer 7

public CustomController1(){/code here/}

Question 8

What is true about using the ‘transient’ keyword in a custom controller?

Answer 8

• Transient keywords can be used in Apex classes that define types of fields declared in the serializable classes
• Transient keywords can be used to declare instance variables that cannot be saved
• Transient keywords can be used for a field in a Visualforce page that is needed only for the page request duration

Question 9

When declaring variables using the ‘transient’ keyword, how does that affect the view size?

Answer 9

declaring variables as transient reduces the view state size because they are not transmitted as part of the view state

Question 10

To use a standard list controller, what two attributes must be defined within the tag?

Answer 10

the standardController and recordSetVar attributes

Question 11

What is the view state used for?

Answer 11

The view state is used to store state across multiple pages such as a wizard. The view state is automatically created and holds the state of the page such as data that includes the components, field values, and controller state.

Question 12

A view state only exists within what?

Answer 12

A view state only exists within the current user’s session and its size limit

Question 13

What is the tag used for?

Answer 13

The Visualforce component is used to display the standard detail page of a particular object.

Question 14

What is the tag used for?

Answer 14

the component is used for iterating over a list of values.

Question 15

What method is used to determine whether there are more records than the maximum record limit?

Answer 15

the getCompleteResult() method, which returns FALSE if the controller won’t be able to process all of the returned records

Question 16

What is round robin assignment?

Answer 16

round robin assignment means that each new lead is assigned to a different user until everyone has been assigned the same amount and the cycle repeats

Question 17

What standard action aborts an edit operation and returns the user to the page where the edit originated?

Answer 17

The ‘Cancel’ action is used to abort an edit operation and redirect back to the page where the user submitted the edit request.

Question 18

In a Visualforce page, what data can be inserted using the expression syntax?

Answer 18

object (sObject) and global(profiles, users, company, locale, etc.) data can be inserted using the expression syntax

Question 19

What does the

Answer 19

the

Question 20

On a visualforce page, what provides the controllers with data context?

Answer 20

Data context is provided to controllers by the id parameter of the page

Question 21

What is the preferred method to include JavaScript files in Visualforce pages?

Answer 21

save it as a static resource and reference it via

Question 22

What is the tag used for?

Answer 22

the tag is used for inserting a full Visualforce page into another page

Question 23

What does the getSelected() method do?

Answer 23

The getSelected() method will return the list of records the user has selected

Question 24

What does the getRecord() method do?

Answer 24

The getRecord() method will return the prototype record containing the values to apply to all the selected records

Question 25

What does the getRecords() method do?

Answer 25

the getRecords() method returns a list of ALL records on the page

Question 26

What does the getListViewOptions() do?

Answer 26

the getListViewOptions() specifies what list view options are available to the user

Question 27

What are the 2 valid parameters to pass to the constructor of a StandardSetController?

Answer 27

• Database.QueryLocator
• List
  any other data types throw an error during compile time

Question 28

In Visualforce, how is primitive data and non-primitive data passed to a method?

Answer 28

primitive data types such as strings are passed by value to the controller while non-primitive data types such as lists are passed by reference

Question 29

What Visualforce tags can be used to create tables with custom styles?

Answer 29

, ,

Question 30

What is the StandardListController used for?

Answer 30

The StandardListController is used for displaying or working on a set of records and comes with built-in pagination features such as next and previous actions for browsing record lists.