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Module DEMO-33-64DEMO-OOP-33

Invoice Service Project

DEMO-OOP-33 • Object Oriented Programming

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Problem Statement

Create Main.java and InvoiceService.java.

Read quantity and unit price, then use the service class to print Total invoice = X.00 with two decimal places.

Sample Testcases

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Sample #1
Public sample
Input
3 4.5
Output
Total invoice = 13.50
Explanation
Input: quantity = 3, unit price = 4.5.
Key calculation: total = 3 * 4.5 = 13.50.
Output:
Total invoice = 13.50
Sample #2
Public sample
Input
10 2
Output
Total invoice = 20.00
Explanation
Input: quantity = 10, unit price = 2.
Key calculation: total = 10 * 2 = 20.00.
Output:
Total invoice = 20.00

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