PD1 Apex Programming 3

Question 1

Which interface must a class implement to be used as a batch Apex job?

Accepted Answer

Database.Batchable

Answer

The Database.Batchable interface with its start(), execute(), and finish() methods is required for batch Apex.

Question 2

What is the purpose of `Database.Stateful` in batch Apex?

Accepted Answer

Preserves instance variable values across execute() calls

Answer

Implementing Database.Stateful retains instance variable state between execute() calls, which is reset otherwise.

Question 3

Which SOSL clause specifies the objects and fields to search within?

Accepted Answer

RETURNING

Answer

The RETURNING clause in SOSL specifies which sObjects and fields to include in the search results.

Question 4

What does the `@TestSetup` annotation do in an Apex test class?

Accepted Answer

Creates test data once and rolls it back after each test method

Answer

@TestSetup creates shared test data once for the class; each test method gets a rollback to that state after it runs.

Question 5

In Apex, which statement correctly describes a static method?

Accepted Answer

It belongs to the class itself and can be called without instantiating the class

Answer

Static methods belong to the class rather than any instance and are invoked using the class name.

(PD1) Salesforce Certified Platform Developer 1 Practice Test