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Author Question: The GeometricObject and Circle classes are defined in this chapter. Analyze the following ... (Read 107 times)

misspop

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The GeometricObject and Circle classes are defined in this chapter. Analyze the following code.

public class Test {
public static void main(String[] args) {
GeometricObject x = new Circle(3);
GeometricObject y = (Circle)(x.clone());
System.out.println(x);
System.out.println(y);
}
}

◦ After you override the clone() method and make it public in the Circle class, the problem can compile and run just fine, but y is null if Circle does not implement the Cloneable interface.
◦ To enable a Circle object to be cloned, the Circle class has to override the clone() method and implement the java.lang.Cloneable interface.
◦ The program has a compile error because the clone() method is protected in the Object class.
◦ If GeometricObject implements Cloneable and Circle overrides the clone() method, the clone() method will work fine to clone Circle objects.


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Marked as best answer by misspop on May 6, 2020

6ana001

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Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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misspop

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Reply 2 on: May 6, 2020
Gracias!


kjohnson

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Reply 3 on: Yesterday
Wow, this really help

 

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