What should a developer use to implement an automatic Approval Process submission for Cases?

Given the code below, what can be done so that recordcount can be accessed by a test class, but not by a non-test class? Public class mycontroller{ private integer recordcount; }

On a Visualforce page with a custom controller, how should a developer retrieve a record by using an ID that is passed on the URL?

A company wants a recruiting app that models candidates and interviews; displays the total number of interviews on each candidate record; and defines security on interview records that is independent from the security on candidate records. What would a developer do to accomplish this task? Choose 2 answers

Which three data types can a SOQL query return? Choose 3 answers