Suppose That the Invoice-Printing Application from Section 12

question 14

Multiple Choice

Suppose that the invoice-printing application from section 12.3 needs to be enhanced by making it possible for class InvoicePrinter to store several invoices to be printed. Select the code segment that best illustrates reuse of the existing Invoice class for this purpose. public class InvoicePrinter ___________________________

• A) extends Invoice
• {
• …
• }
• B) {
• Public static void main(String[] args)
• {
• Invoice invoice1;
• Invoice invoice2;
• …
• }
• C) implements Invoice
• {
• …
• }
• D) {
• Public static void main(String[] args)
• {
• ArrayList<Invoice> invoices;
• …
• }
• }

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Definitions:

Operations

The activities and processes used to produce goods and services in an efficient and effective manner.

Interactive Effects

The combined impact on outcomes resulting from the interaction of two or more variables.

Mathematical Solution

The process or result of solving a problem or equation using mathematical methods and techniques.

Real-world Complications

Unforeseen or complex issues that arise during the implementation of theoretical plans or strategies in practical situations.