Salesforce 面试题与答案
问题 51. What is the purpose of the 'QueueableContext' interface in Apex?
The 'QueueableContext' interface in Apex is used to provide additional context information to a class that implements the 'Queueable' interface. It allows developers to access and manipulate data within the queueable job.
问题 52. Explain the purpose of the 'force:hasRecordId' interface in Lightning components.
The 'force:hasRecordId' interface in Lightning components is used to enable the component to receive the record ID of the current record. It allows components to dynamically interact with the record being viewed or edited.
问题 53. What is the purpose of the 'System.debug()' statement in Apex?
The 'System.debug()' statement in Apex is used for logging and debugging purposes. It allows developers to output variable values, expressions, and messages to the debug log, helping in the analysis of code execution.
问题 54. Explain the purpose of the 'Test.isRunningTest()' method in Apex testing.
The 'Test.isRunningTest()' method in Apex testing is used to check whether the current code is running in a test context. It allows developers to conditionally execute code based on whether it is being run in a test environment.
问题 55. What is the purpose of the 'System.runAs()' method in Apex testing?
The 'System.runAs()' method in Apex testing is used to run a block of code with the specified user context. It is often used to test code that depends on user permissions and profiles.
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