Java PriorityQueue Exercises, Practice & Solutions

Java Collection: PriorityQueue Exercises [12 exercises with solution]

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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. 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. Write a Java program to iterate through all elements in the priority queue.
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3. Write a Java program to add all the elements of a priority queue to another priority queue.
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4. Write a Java program to insert a given element into a priority queue.
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5. Write a Java program to remove all elements from a priority queue.
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6. Write a Java program to count the number of elements in a priority queue.
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7. Write a Java program to compare two priority queues.
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8. Write a Java program to retrieve the first element of the priority queue.
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9. Write a Java program to retrieve and remove the first element.
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10. Write a Java program to convert a priority queue to an array containing all its elements.
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11. Write a Java program to convert a Priority Queue element to string representations.
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12. Write a Java program to change priorityQueue to maximum priority queue.
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