How should the developer overcome this problem? While writing a test class that covers an OpportunityLineItem trigger, a Developer is unable to create a standard Pricebook since one already exist in the org.

A developer must implement a CheckPaymentProcessor class that provides check processing payment capabilities that adhere to what defined for payments in the PaymentProcessor interface. public interface PaymentProcessor { void pay(Decimal amount); } Which is the correct implementation to use the PaymentProcessor interface class?

Managers at Universal Containers want to ensure that only decommissioned containers are able to be deleted in the system. To meet the business requirement a Salesforce developer adds ^Decommissioned" as a picklist value for the Status__: custom field within the Contact__c object.
Which tool should the developer use to enforce only Container records with a status of "Decommissioned" can be deleted?

Which three statements are true regarding cross-object formulas? Choose 3 answers

Which type of controller should a developer use to include a list of related records for a Custom Object record on a Visualforce page without needing additional test coverage?