This topic contains a solution. Click here to go to the answer

Author Question: Analyze the following code.import java.util.*;public class Test { public static void main(String[] ... (Read 106 times)

bobbysung

  • Hero Member
  • *****
  • Posts: 519

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.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by bobbysung on May 6, 2020

memslove

  • Sr. Member
  • ****
  • Posts: 321
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.
Answer Preview
Only 25% of students answer this correctly




bobbysung

  • Member
  • Posts: 519
Reply 2 on: May 6, 2020
Thanks for the timely response, appreciate it


Jossy

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

For a complete list of videos, visit our video library