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Author Question: Analyze the following code.import java.util.*;public class Test { public static void main(String[] ... (Read 101 times)

bobbysung

  • Hero Member
  • *****
  • Posts: 519
on: May 6, 2020

Question 1

Which of the following is correct to perform the set intersection of two sets s1 and s2?
◦ s1.join(s2)
◦ s1.intersection(s2)
◦ s1.intersect(s2)
◦ s1.retainAll(s2)

Question 2

Analyze the following code.

import java.util.*;

public class Test {
public static void main(String[] args) throws Exception {
​Set set = new TreeSet();

​set.add("Red");
​set.add("Green");
​set.add("Blue");

​System.out.println(set.first());
}
}

◦ The program displays Blue
◦ The program may display Red, Blue, or Green.
◦ The program displays Red
◦ The program displays Green
◦ The program cannot compile, because the first() method is not defined in Set.
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Marked as best answer by bobbysung on May 6, 2020

memslove

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Reply #1 on: May 6, 2020
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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bobbysung

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  • Posts: 519
Reply 2 on: May 6, 2020
:D TYSM

bimper21

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Reply 3 on: Yesterday
Excellent

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