Scanner Data Is Obtained by Passing Merchandise Over a Laser

question 12

True/False

Scanner data is obtained by passing merchandise over a laser scanner that reads the UPC code from the packages.

Recognize the importance of package access in Java.

Understand how inheritance promotes code reuse and what constitutes an "is-a" relationship.

Understand the concept of polymorphism in object-oriented programming.

Distinguish between method overloading and method overriding.