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Answer :
Final answer:
Queueable Apex and Future Apex are both asynchronous Apex features in Salesforce. The choice between the two depends on the specific requirements of your use case.
Explanation:
Queueable Apex and Future Apex are both asynchronous Apex features in Salesforce. The choice between the two depends on the specific requirements of your use case. Queueable Apex is used when you need to chain multiple jobs together and have control over the order of execution. Future Apex is used when you need to offload long-running operations to run in the background.
If you have a requirement where you want to execute a series of tasks one after the other, such as updating related records after inserting a new record, then Queueable Apex is the better option. It provides a way to define the order of execution and allows you to pass data between jobs. On the other hand, if you need to execute a method asynchronously without worrying about the order of execution, then Future Apex is more suitable. It is commonly used for offloading CPU-intensive operations, like making a callout to an external system or performing complex calculations, to run in the background without affecting the responsiveness of the user interface.
In summary, the choice between Queueable Apex and Future Apex depends on whether you need to control the order of execution or if you simply want to offload long-running operations. Understanding your specific requirements will help you make an informed decision.
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Final answer:
Use Queueable Apex for complex operations needing chaining of jobs and maintaining state of app. Use Future Apex for simpler, stateless tasks with immediate results not necessary.
Explanation:
Whether you use Queueable Apex or Future Apex in Salesforce development depends on your specific requirements and scenarios.
Queueable Apex is ideally suited for more complex operations, as it allows you to chain jobs. It permits lower system limit on the heap size and maximum SOQL query, with each class implementing the Queueable interface representing a job in Apex. Meanwhile, Future Apex is best suited for simpler, quick operations that need not maintain the state of the app. It's known for its fire-and-forget tasks as with a future method, where you don't need the result immediately.
In summary, for more complex, stateful operations, Queueable Apex is the way to go while for simpler, stateless tasks, Future Apex would suffice.
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