Creating test classes ensures that the Apex class works according to specifications by validating the functionality under various scenarios and edge cases. Running tests in the Developer Console provides detailed feedback on whether the class meets requirements.
[Reference:Testing Apex, Incorrect Options:, A:Savepoints and rollbacks are used to manage transactions, not for validation., B:Try/catch blocks handle exceptions but do not ensure the code adheres to specifications., C:Execute Anonymous only tests small portions of code interactively, not comprehensive functionality., , , , Below is the formatted response for the provided question, adhering to the specified format and requirements. The question falls under the Salesforce Platform and Declarative Features topic, as it involves Visualforce page components and their security implications, which is a key focus of the Salesforce Platform Developer I certification. The answer is based on official Salesforce Platform Developer I documentation, with a comprehensive explanation and references to relevant Salesforce documentation., , ]
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