In PriorityQueue.java, write code for the following new functions: 1. public boolean add( PriorityQueueNode x ) This function adds a new node x to the priority queue. The node is added to the heap by comparison of the rating attribute. It involves the “percolate up" process and returns true when finished.
Types of Linked List
A sequence of data elements connected through links is called a linked list (LL). The elements of a linked list are nodes containing data and a reference to the next node in the list. In a linked list, the elements are stored in a non-contiguous manner and the linear order in maintained by means of a pointer associated with each node in the list which is used to point to the subsequent node in the list.
Linked List
When a set of items is organized sequentially, it is termed as list. Linked list is a list whose order is given by links from one item to the next. It contains a link to the structure containing the next item so we can say that it is a completely different way to represent a list. In linked list, each structure of the list is known as node and it consists of two fields (one for containing the item and other one is for containing the next item address).
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![In PriorityQueue.java, write code for the following new functions:
1. public boolean add( PriorityQueueNode x )
This function adds a new node x to the priority queue. The node is added to
the heap by comparison of the rating attribute. It involves the “percolate
up" process and returns true when finished.
2. public PriorityQueueNode remove( )
This function removes the minimum element of the priority queue and returns
it. It involves a call to percolateDown ( int hole ).
3. private void percolateDown ( int hole )
This function takes the position of the next available hole in the priority queue
and uses it to bubble the elements through the heap until the heap property is
restored.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbf56dd6c-281f-41f3-ae7b-29ace6b56024%2F7db04160-1a24-4ac6-a18f-3b2d7ac72d0a%2F0imvl3e_processed.png&w=3840&q=75)
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