Additional Notes
Why extract a helper like `calculateSubtotal(…)`?
Track: Java
Topic: Core Java
Focus: Methods
Java: Methods
Answer
A well-named method makes one piece of logic easier to read, explain, and reuse.
Method extraction is one of the first ways beginner code becomes more structured. A good helper isolates one business job and makes the calling code read more like the story of the checkout flow.
Method extraction is one of the first ways beginner code becomes more structured. A good helper isolates one business job and makes the calling code read more like the story of the checkout flow.
Topics: Core Java Java Methods