If you have a utility class for a shopping application, how would you implement a method that calculates the total discount for all users?
- Implement a static method within the utility class to calculate discounts.
- Use an instance method and iterate through each user, calculating and accumulating discounts.
- Create a separate discount calculation class and delegate the task to it.
- Utilize a global variable to store the total discount and update it in each user instance.
In a scenario like a shopping application, it's beneficial to use a static method within the utility class to calculate the total discount. This way, the method is associated with the class itself, not an instance, and can be easily accessed without creating unnecessary instances for the calculation. Static methods are appropriate for operations that don't depend on the state of a specific instance.
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