Problem #2 a) Create a HeapPriorityQueue interface with the following abstract methods: isEmpty, isFull, enqueue, dequeue, reheapifyUpward, reheapifyDownward, reposition. b) Create the HeapPriorityQueue class. Have heapArray hold maxSize of 250 entries. Also, include the methods: default constructor, toString. c) Create HeapOverflowException and HeapUnderflowException classes d) Create a HeapDemo class that creates a HeapPriorityQueue object and insert the values 1-10 into the heap. Print out the heap and remove two values from the heap. Print the resulting heap. Try and show the resulting tree with the nodes on their appropriate levels along with their branches.

Problem #2 a) Create a HeapPriorityQueue interface with the following abstract methods: isEmpty, isFull, enqueue, dequeue, reheapifyUpward, reheapifyDownward, reposition. b) Create the HeapPriorityQueue class. Have heapArray hold maxSize of 250 entries. Also, include the methods: default constructor, toString. c) Create HeapOverflowException and HeapUnderflowException classes d) Create a HeapDemo class that creates a HeapPriorityQueue object and insert the values 1-10 into the heap. Print out the heap and remove two values from the heap. Print the resulting heap. Try and show the resulting tree with the nodes on their appropriate levels along with their branches.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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2. Start with an empty heap, and enter ten items with priorities 1 through 10.
Draw the resulting heap.
Now remove three entries from the heap that you created in the above
exercise. Draw the resulting heap.

Problem #2
a)
Create a HeapPriorityQueue interface with the following abstract methods:
isEmpty, isFull, enqueue, dequeue, reheapifyUpward, reheapifyDownward, reposition.
b)
Create the HeapPriorityQueue class. Have heapArray hold maxSize of 250 entries.
Also, include the methods: default constructor, toString.
c)
Create HeapOverflowException and HeapUnderflowException classes
d) Create a HeapDemo class that creates a HeapPriorityQueue object and insert the
values 1-10 into the heap. Print out the heap and remove two values from the heap.
Print the resulting heap. Try and show the resulting tree with the nodes on their
appropriate levels along with their branches.

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