Assigning an Object of a Derived Class to a Variable

question 31

Multiple Choice

Assigning an object of a derived class to a variable of a base class is called:

• A)static binding
• B)dynamic binding
• C)upcasting
• D)downcasting

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Definitions:

Pressure Gradient

The physical quantity that represents the rate of pressure changes over a specified distance in a fluid medium.

Phloem

The plant's vascular system responsible for moving sugars and other substances produced during metabolism from the leaves downward.

Springwood

The portion of a tree's annual growth ring that is formed in the early part of the growing season, characterized by larger and less dense cells than those produced later in the season.

Conducting Cells

Cells in plants that form the tubes for transporting water, minerals, and nutrients, namely xylem and phloem cells.