When running Test using the Circle class in (b), if circlel.equals(circle2) in the Test class is replaced by circlel.equals ("Binding"), this will cause a casting except. o (as a String) cannot be casted into Circle Reimplement the equals method in (b) to avoid this exception comparing circle with a non-circle object.

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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public class Test {
public static void main (String [] args) {
Object circlel = new Circle ();
Object circle2 = new Circle ();
System.out.println(circlel.equals (circle2));
class Circle {
double radius;
class Circle {
double radius;
public boolean equals (Circle circle) {
public boolean equals (Object o) {
return this.radius =
( (Circle)o).radius;
return this.radius = circle.radius;
Transcribed Image Text:public class Test { public static void main (String [] args) { Object circlel = new Circle (); Object circle2 = new Circle (); System.out.println(circlel.equals (circle2)); class Circle { double radius; class Circle { double radius; public boolean equals (Circle circle) { public boolean equals (Object o) { return this.radius = ( (Circle)o).radius; return this.radius = circle.radius;
b.
When running Test using the Circle class in (b), if
circlel.equals (circle2) in the Test class is replaced by
circlel.equals ("Binding"), this will cause a casting exception, because
o (as a String) cannot be casted into Circle .
Reimplement the equals method in (b) to avoid this exception when
comparing circle with a non-circle object.
Transcribed Image Text:b. When running Test using the Circle class in (b), if circlel.equals (circle2) in the Test class is replaced by circlel.equals ("Binding"), this will cause a casting exception, because o (as a String) cannot be casted into Circle . Reimplement the equals method in (b) to avoid this exception when comparing circle with a non-circle object.
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