A Class That Implements an Interface but Only Gives Definitions

question 10

Multiple Choice

A class that implements an interface but only gives definitions for some of the method headings given in the interface is called a/an:

• A)concrete class
• B)abstract class
• C)discrete class
• D)friendly class

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Definitions:

Perpetual Inventory System

A systematic approach to maintaining accurate inventory records that adjust in real-time with each purchase or sale of inventory items.

Freight-In

The cost of transporting goods into a business, treated as part of the cost of inventory in the calculation of the cost of goods sold.

Discounts

Reductions to the selling price of goods or services, often used as a sales strategy to encourage purchases.

Purchased Merchandise

The act of buying goods for sale, often regarded as inventory in the books of a retailer or distributor.