g) Write statement to call method getArea using object crl.

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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e) Create an instance or object (cr1) of the class Circle
f) Write statement to access/call member method setRadius
using the object crl.
g) Write statement to call method getArea using object crl.
h) Write statement to call all member methods through the
object cr2.
Transcribed Image Text:e) Create an instance or object (cr1) of the class Circle f) Write statement to access/call member method setRadius using the object crl. g) Write statement to call method getArea using object crl. h) Write statement to call all member methods through the object cr2.
1. Analysis the following class definition e and answer the
following questions for the class definition
class Circle {
double
radius;
private double pi()
return 3.14;}
void setRadius(double x){
radius=x; }
double getArea(){
return pi()*radius*radius;}
double getCircum(){
return 2*pi()*radius;}
a) Class name is
b) Member variable(s):
variable(s)..
c) Is there any constructor in the class Circle?
Data type of member
If Yes, write name of the constructor and its
parameter..
d)
Member method
Return type Access
Parameters with data
Specifier
type
name
Transcribed Image Text:1. Analysis the following class definition e and answer the following questions for the class definition class Circle { double radius; private double pi() return 3.14;} void setRadius(double x){ radius=x; } double getArea(){ return pi()*radius*radius;} double getCircum(){ return 2*pi()*radius;} a) Class name is b) Member variable(s): variable(s).. c) Is there any constructor in the class Circle? Data type of member If Yes, write name of the constructor and its parameter.. d) Member method Return type Access Parameters with data Specifier type name
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