Exercise

Detecting missing strings

The sales data for your coffee shop may contain data entry errors like empty fields or whitespaces. Check the sample sale for these errors, and print messages to display a default value or to indicate the issue.

The necessary packages such as Objects, and StringUtils have been imported for you.

Instructions

100 XP

Return coffeeName with a default name if null.
Check if paymentMethod is empty or whitespace.

.css-6su6fj{-webkit-flex-shrink:0;-ms-flex-negative:0;flex-shrink:0;}Exercise

Instructions

Exercise