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

Author Question: What is the output for the following code?import java.util.*;public class Test { public static void ... (Read 234 times)

Redwolflake15

  • Hero Member
  • *****
  • Posts: 569
What is the output for the following code?

import java.util.*;
public class Test {
public static void main(String[] args) {
Set set = new HashSet();
set.add(new A());
set.add(new A());
set.add(new A());
set.add(new A());
System.out.println(set);
}
}

class A {
int r = 1;

public String toString() {
return r + "";
}

public boolean equals(Object o) {
return this.r == ((A)o).r;
}

public int hashCode() {
return r;
}
}

◦ [1]
◦ [1, 1, 1]
◦ [1, 1, 1, 1]
◦ [1, 1]


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Redwolflake15 on May 6, 2020

hramirez205

  • Sr. Member
  • ****
  • Posts: 345
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 39% of students answer this correctly




Redwolflake15

  • Member
  • Posts: 569
Reply 2 on: May 6, 2020
YES! Correct, THANKS for helping me on my review


momolu

  • Member
  • Posts: 320
Reply 3 on: Yesterday
Gracias!

 

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

For a complete list of videos, visit our video library