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max heap java

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Horrible Hummingbird answered on August 2, 2020 Popularity 10/10 Helpfulness 4/10

answer max heap java

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import java.util.PriorityQueue;

public class MaxHeapWithPriorityQueue {

    public static void main(String args[]) {
        // create priority queue
        PriorityQueue<Integer> prq = new PriorityQueue<>(Comparator.reverseOrder());

        // insert values in the queue
        prq.add(6);
        prq.add(9);
        prq.add(5);
        prq.add(64);
        prq.add(6);

        //print values
        while (!prq.isEmpty()) {
            System.out.print(prq.poll()+" ");
        }
    }

}

Popularity 10/10 Helpfulness 4/10 Language java

Source: stackoverflow.com

Tags: java max-heap

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Contributed on Aug 02 2020

Horrible Hummingbird

0 Answers Avg Quality 2/10

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// min heap: PriorityQueue implementation from the JDK
PriorityQueue<Integer> prq = new PriorityQueue<>();

// max heap: PriorityQueue implementation WITH CUSTOM COMPARATOR PASSED
// Method 1: Using Collections (recommended)
PriorityQueue<Integer> prq = new PriorityQueue<>(Collections.reverseOrder());
// Method 2: Using Lambda function (may cause Integer Overflow)
PriorityQueue<Integer> prq = new PriorityQueue<>((a, b) -> b - a);

Popularity 10/10 Helpfulness 4/10 Language java

Source: Grepper

Tags: java

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Contributed on Dec 04 2020

Easy Earthworm

0 Answers Avg Quality 2/10

max heap

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Step 1 − Create a new node at the end of heap.
Step 2 − Assign new value to the node.
Step 3 − Compare the value of this child node with its parent.
Step 4 − If value of parent is less than child, then swap them.
Step 5 − Repeat step 3 & 4 until Heap property holds.

Popularity 10/10 Helpfulness 1/10 Language whatever

Source: www.tutorialspoint.com

Tags: max-heap max-hea

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Contributed on Sep 06 2022

Saad Ali

0 Answers Avg Quality 2/10

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