What will be the output of the following code

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Uday Singh • 7.23K Points
Tutor III

Q. What will be the output of the following code –

Code:

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.PriorityQueue;

public class MyClass
{
public static void main(String args[])
{
PriorityQueue<Integer> q = new PriorityQueue<Integer>();
q.add(1);
q.add(2);
q.add(3);
System.out.println(q.poll());
System.out.println(q.offer(4));
q.add(1);
q.remove(2);
System.out.println(q.peek());
System.out.println(q);
}
}

(A) 1 true 1 [1, 3, 4]

(B) 3 true 1 [1, 3, 4]

(D) 1 false 1 [1, 2, 4]

Correct answer: Option(A)

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