java-priority-queue Archives

Last Updated: 29 December 2023

Given two array items and weights which denotes items and their respective weights. Both arrays are of equal length. For every index 'i', items[i] and weights[i] represent...read more

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java-priority-queue

How to Find the Intersection and Union of Two PriorityQueues in Java?

Last Updated: 07 February 2024

In Java, PriorityQueue is an implementation of the Queue Interface. It can be used to provide a way to store the elements in a queue based on their priority basis. This me...read more

How to Remove the Top Element From a PriorityQueue in Java?

Last Updated: 15 February 2024

A priority queue is a specialized type of queue, in which elements are given with priorities, and those with more priorities are served before elements with lower prioriti...read more

How to Convert a PriorityQueue into an Array, List, and Set in Java?

Last Updated: 16 February 2024

In Java, PriorityQueue is an implementation of the Queue interface. It means high-priority elements can be saved first compared to lower-priority elements in the queue, an...read more

How to Check if a PriorityQueue is Empty or Contains Elements in Java?

Last Updated: 15 February 2024

In this article, we will demonstrate how to check if a Priority Queue is empty or not. The java.util.PriorityQueue.isEmpty() method is used to check if the Priority Queue ...read more

Java Program to Handle Duplicate Elements in a PriorityQueue While Maintaining Order

Last Updated: 09 February 2024

In Java, elements in a Priority Queue are arranged according to their priority, which is based on a priority heap. When there are duplicate items, the default comparison m...read more

How to Customize the Ordering of Elements in a PriorityQueue Using a Comparator in Java?

Last Updated: 15 February 2024

A PriorityQueue is a data structure that allows elements to be processed based on their priority. By default, it orders elements according to their natural ordering (e.g.,...read more

How to Perform Range Queries on a PriorityQueue in Java?

Last Updated: 14 February 2024

Based on a priority heap, a Java PriorityQueue represents an unlimited priority queue. PriorityQueue does not directly handle range queries, but it does provide quick acce...read more

How to Handle Null Elements in a PriorityQueue in Java?

Last Updated: 19 February 2024

In Java, a Priority Queue is an abstract data type similar to a regular queue or stack, but with a key difference like elements are dequeued based on their priority. Regar...read more

How to Configure Java Priority Queue to Handle Duplicate Elements?

Last Updated: 16 February 2024

In Java, PriorityQueue is the data structure that stores the elements based on their priorities and provides operations to efficiently retrieve and manipulate these elemen...read more

How to Use a PriorityQueue to Implement a Priority-Based Task Scheduler in Java?

Last Updated: 21 February 2024

In Java, the PriorityQueue data structure offers an efficient way to manage tasks based on their assigned priorities. Elements with higher priority are dequeued before ele...read more

Java Collection Exercise

Last Updated: 12 March 2024

The Java Collection framework is a fundamental part of the Java programming language, It covers a major part of Java and acts as a prerequisite for many Advanced Java Topi...read more

Java-Collection-Programs

How to Handle Concurrent Access and Modification of a PriorityQueue in Java?

Last Updated: 26 April 2024

In Java, PriorityQueue is a class that implements a priority queue based on the priority heap. While PriorityQueue provides efficient operations for the adding and removin...read more

How to Copy Elements from One PriorityQueue to Another in Java?

Last Updated: 27 April 2024

In Java, a priority queue is a data structure that allows the users to store data based on their priority. In this article, we will learn how to copy elements from one pri...read more

How to Iterate over the Elements of a PriorityQueue in Java?

Last Updated: 27 April 2024

In Java, a Priority Queue is a Data structure that allows the users to store data based on their priority so that the elements with the highest priority can be accessed in...read more