Java PriorityQueue Exercises, Practice & Solutions
This resource offers a total of 60 Java PriorityQueue problems for practice. It includes 12 main exercises, each accompanied by solutions, detailed explanations, and four related problems.
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PriorityQueue:
In Java, PriorityQueue is an implementation of the Queue interface provided by the Java Collections Framework. It's part of the java.util package.
1. Create and Print PriorityQueue
Write a Java program to create a priority queue, add some colors (strings) and print out the elements of the priority queue.
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2. Iterate PriorityQueue Elements
Write a Java program to iterate through all elements in the priority queue.
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3. Add All Elements to Another PriorityQueue
Write a Java program to add all the elements of a priority queue to another priority queue.
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4. Insert Element into PriorityQueue
Write a Java program to insert a given element into a priority queue.
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5. Clear PriorityQueue
Write a Java program to remove all elements from a priority queue.Click me to see the solution
6. Count PriorityQueue Elements
Write a Java program to count the number of elements in a priority queue.
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7. Compare PriorityQueues
Write a Java program to compare two priority queues.
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8. Peek First PriorityQueue Element
Write a Java program to retrieve the first element of the priority queue.
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9. Poll First PriorityQueue Element
Write a Java program to retrieve and remove the first element.
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10. Convert PriorityQueue to Array
Write a Java program to convert a priority queue to an array containing all its elements.
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11. Convert PriorityQueue to String
Write a Java program to convert a Priority Queue element to string representations.
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12. Convert to Max PriorityQueue
Write a Java program to change priorityQueue to maximum priority queue.
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