Additional Notes
Why use named intermediate values in checkout math?
Track: Java
Topic: Core Java
Focus: Operators and Expressions
Java: Operators and Expressions
Answer
They make each step of the business rule easier to read and debug.
Variables like `subtotal`, `discountAmount`, and `finalTotal` are more than style. They show the stages of the calculation clearly and make debugging easier when the printed result looks wrong.
Variables like `subtotal`, `discountAmount`, and `finalTotal` are more than style. They show the stages of the calculation clearly and make debugging easier when the printed result looks wrong.
Topics: Core Java Java Operators and Expressions