This example adds a class variable numberOfObjects to track the number of Circle objects created.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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In java  ****

2- This example adds a class
variable numberOfObjects to
track the number of Circle
objects created.
UML Notation:
underline: static variables or methods
instantiate
circle l: Circle
Memory
After two Circle
Objects were created,
numberof0bjects
is 2.
radius - 1
|1 radius
Circle
numberof0bjects = 2
radius: double
numberof0bjects: int
getNumberOf0bjects(): int
getArea(): double
numberof0bjects
instantiate
cirele2: Circle
radius - 5
radius
numberof0bjects - 2
Transcribed Image Text:2- This example adds a class variable numberOfObjects to track the number of Circle objects created. UML Notation: underline: static variables or methods instantiate circle l: Circle Memory After two Circle Objects were created, numberof0bjects is 2. radius - 1 |1 radius Circle numberof0bjects = 2 radius: double numberof0bjects: int getNumberOf0bjects(): int getArea(): double numberof0bjects instantiate cirele2: Circle radius - 5 radius numberof0bjects - 2
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