Author Question: Analyze the following code:import java.util.*;public class Test { public static void main(String[] ... (Read 68 times)

mpobi80 · **on:** May 6, 2020

Analyze the following code:

import java.util.*;

public class Test {
public static void main(String[] args) {

Set set1 = new HashSet();

set1.add("red");

Set set2 = set1.clone();

}
}

◦ The program will be fine if set1.clone() is replaced by (HashSet)((HashSet)set1).clone()
◦ The program will be fine if set1.clone() is replaced by (HashSet)set1.clone()
◦ The program will be fine if set1.clone() is replaced by (LinkedHashSet)((HashSet)set1).clone()
◦ The program will be fine if set1.clone() is replaced by (Set)((HashSet)set1).clone()
◦ Line 5 is wrong because the declared type for set1 is Set and the clone method is not defined Set.

ju · **Reply #1 on:** May 6, 2020

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