Refer to the following code that runs in an Execute Anonymous block:

In an environment where the full result set is returned, what is a possible outcome of this code?

A developer considers the following snippet of code:

Based on this code, what is the value of x?

A developer identifies the following triggers on the Expense_c object:
DeleteExpense,
applyDefaultstoexpense
validateexpenseupdate;
The triggers process before delete, before insert, and before update events respectively.
Which two techniques should the developer implement to ensure trigger best practice are followed?

What is the result of the following code?

A developer has an integer variable called maxAttempts. The developer meeds to ensure that once maxAttempts is initialized, it preserves its value for the lenght of the Apex transaction; while being able to share the variable's state between trigger executions. How should the developer declare maxAttempts to meet these requirements?