Write the Word or Phrase That Best Completes Each Statement

question 377

Essay

Write the word or phrase that best completes each statement or answers the question.
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Definitions:

Pollution Index

An indicator that measures the degree of environmental contamination or the concentration of pollutants in the air, water, or soil.

Linked List

A data structure consisting of nodes that together represent a sequence. Each node contains data and a reference to the next node in the sequence.

Instance Variable

An instance variable is a variable defined in a class for which each object of the class has a separate copy, representing the object's state.

Iterator

An object that enables a programmer to traverse through a container, particularly lists.