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Author Question: Analyze the following code.1. public class Test {2.public static void main(String[] args) {3.Fruit[] ... (Read 58 times)

jCorn1234

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Question 1

Which of the following statements are true?
◦ The String class implements Comparable.
◦ The Date class implements Comparable.
◦ The BigInteger class implements Comparable.
◦ The Double class implements Comparable.

Question 2

Analyze the following code.

1. public class Test {
2.public static void main(String[] args) {
3.Fruit[] fruits = {new Fruit(2), new Fruit(3), new Fruit(1)};
4.java.util.Arrays.sort(fruits);
5.}
6. }

class Fruit {
private double weight;
 
public Fruit(double weight) {
this.weight = weight;
}
}

◦ The program has a runtime error on Line 4 because the Fruit class does not implement the java.lang.Comparable interface and the Fruit objects are not comparable.
◦ The program has a runtime error on Line 3 because the Fruit class does not have a default constructor.
◦ The program has a compile error because the Fruit class does not have a default constructor.
◦ The program has a compile error on Line 4 because the Fruit class does not implement the java.lang.Comparable interface and the Fruit objects are not comparable.


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Marked as best answer by jCorn1234 on May 6, 2020

Yixagurpuldink

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jCorn1234

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Reply 2 on: May 6, 2020
Gracias!


raenoj

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Reply 3 on: Yesterday
Excellent

 

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