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Question :-

Suppose a developer wants to create an automatic persistent timer that performs data validation every hour. Given the following stateless session bean: @Stateless Public class OrderVerificationBean { Private void verificationExternalOrders () { / / do something } } What is the minimum modification you would need to make to the bean to create the automatic persistent timer?
Modify the verifyExternalOrders methos to look like this: @Scheduleprivate void verifyExternalOrders () {/ do something}
Modify the verifyExternalOrders method to look like this: @Schedule (hour = "*")private void verifyExternalOrders () {/ / do something}
Modify the verifyExternalOrders method to look like this: @Schedule (persistent = true)private void verifyExceptionalOrders () {/ / do something}
Modify the verifyExternalOrders method to look like this: @Schedule (hour = "*", persistent = true)private void verifyExceptionalOrders () {/ / do something}

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