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Salesforce Certified Platform Developer I - Apex ACTUAL EXAM 2 LATEST VERSIONS COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS
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Salesforce Certified Platform Developer I - Apex ACTUAL EXAM 2 LATEST VERSIONS COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS Describe differences between Apex and traditional Programming Languages like Java. - Answer️️ -1.) Traditional Programming Languages are fully flexible, and allow y...

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  • September 18, 2024
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  • 2024/2025
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TITLE: EMILLYCHARLOTTE 2024/2025 ACADEMIC PERIOD
OWNER: EMILLYCHARLOTTE
COPYRIGHT STATEMENT: ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISHED: SEPTEMBER 2024

Salesforce Certified Platform Developer I - Apex ACTUAL
EXAM 2 LATEST VERSIONS COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS


Describe differences between Apex and traditional Programming Languages like Java.

- Answer✔️✔️-1.) Traditional Programming Languages are fully flexible, and allow you to

tell the system to do just about anything. Apex is governed, and can only do what the

system allows.

2.) Apex is case-insensitive

3.) Apex is on-demand, and is compiled and executed in the Cloud (i.e. on the server)

4.) Apex requires unit testing for deployment into a Production environment

5.) Apex is not a general-purpose Programming Language. It can only be used on the

Force.com platform.

What are the two primary components of Apex code? - Answer✔️✔️-Apex Classes and

Apex Triggers

What is an Apex Class? - Answer✔️✔️-An Apex Class is a template or a blueprint from

which Apex objects are created.

What is an Apex Trigger? - Answer✔️✔️-A procedure that automatically executes during

a DML operation.

What are the three types of FOR() loops that Apex code supports? - Answer✔️✔️-1.)

Traditional FOR() loops

,TITLE: EMILLYCHARLOTTE 2024/2025 ACADEMIC PERIOD
OWNER: EMILLYCHARLOTTE
COPYRIGHT STATEMENT: ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISHED: SEPTEMBER 2024
2.) List Iteration FOR() loops

3.) SOQL FOR() loops

What are the three types of Collection data types in Apex code? - Answer✔️✔️-1.) Lists

2.) Maps

3.) Sets

What are Collections used for in Apex code? - Answer✔️✔️-Collections are used to store

groups of elements, such as primitive data types, or sObjects.

Where are the three areas where you can develop Apex code? - Answer✔️✔️-1.) The

Force.com IDE

2.) The Developer Console

3.) The Setup menu

What conditional statements does Apex support? - Answer✔️✔️-if-else

What conditional statements are not supported by Apex? - Answer✔️✔️-1.) case

2.) switch

What is the sObject data type? - Answer✔️✔️-The sObject data type is a generic data

type that is the parent class for all standard and custom objects in Apex.

What are two data types that are unique to Apex? - Answer✔️✔️-1.) sObject

2.) ID

What is a List? - Answer✔️✔️-A List is an ordered collection of elements of a single data

type. Elements added to a List are assigned an implicit index, and therefore, Lists can

contain non-unique values (i.e. elements can be duplicated within a List).

,TITLE: EMILLYCHARLOTTE 2024/2025 ACADEMIC PERIOD
OWNER: EMILLYCHARLOTTE
COPYRIGHT STATEMENT: ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISHED: SEPTEMBER 2024

What is a Set? - Answer✔️✔️-A Set is an unordered collection of unique elements. There

are no indexes assigned to elements in a Set, and therefore, elements in a Set much be

unique.

What is a Map? - Answer✔️✔️-A Map is a collection of key-value pairs. Keys must be

unique, but Values can be repeated. With Maps, we supply the index, unlike Lists,

where the index is automatically applied when an element is added.

What is a common use case for Lists? - Answer✔️✔️-Lists are commonly used to hold

the results of a SOQL query.

What is a common use case for Sets? - Answer✔️✔️-Sets are commonly used to store

values used to filter data queried by SOQL.

What is a common use case for Maps? - Answer✔️✔️-Maps are commonly used as a

cache of records that can be accessed by key/ID.

Are Apex Arrays the same as Java Arrays? Why or why not? - Answer✔️✔️-While Apex

Array notation seems the same as Java Array notation, they are internally different.

Apex Arrays can be dynamically resized, while Java Arrays cannot be dynamically

resized.



//Array notation

Account[] accounts = new Account[] {acc1,acc2,acc3};



//List notation

, TITLE: EMILLYCHARLOTTE 2024/2025 ACADEMIC PERIOD
OWNER: EMILLYCHARLOTTE
COPYRIGHT STATEMENT: ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISHED: SEPTEMBER 2024
List<Account> accounts = new List<Accounts>;

accounts.add(acc1);

accounts.add(acc2);

accounts.add(acc3);

Are Lists also Arrays? - Answer✔️✔️-No. Lists are not Arrays, but they can be

syntactically referenced as Arrays.

How can you iterate over a Map? - Answer✔️✔️-First retrieve the key set by using the

Map.keySet() method. Then, use a FOR() loop to iterate through the key set to access

and work with each value in the Map.

What do classes consist of? - Answer✔️✔️-Methods and Attributes

What is an inner class? - Answer✔️✔️-A class within another class

Does the name of a class need to begin with a capital letter? - Answer✔️✔️-No. But, it is

recommended that this be done. More specifically, it is recommended that the Java

notation be followed.

What are some ways that Apex classes are different from Java classes? - Answer✔️✔️-In

Apex:



1.) Inner classes can only be nested one level deep

2.) Static methods and attributes can only be declared in a top-level class definition (i.e.

an "outer class").

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