What are the required steps for using a PeopleCode application class? Arrange them in the correct order.

Select an option, then click Submit answer.
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1, 2, 5, 3
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1, 2, 4, 5, 3
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2, 1, 4, 3
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1, 2, 4, 3
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2, 1, 4, 5, 3
