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Author Question: What is the output for the following code?import java.util.*;public class Test { public static void ... (Read 199 times)

CBme

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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 int hashCode() {
return r;
}
}

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


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Marked as best answer by CBme on May 6, 2020

SomethingSomething

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CBme

  • Member
  • Posts: 548
Reply 2 on: May 6, 2020
YES! Correct, THANKS for helping me on my review


vickybb89

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Wow, this really help

 

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