<p>Complete code for Dijsktra's Algorithm:</p><p>/*<br/>* The smaller priority, the higher<br/>*/</p><p>//public class PriorityQueue<T> implementsHeapADT<T><br/>public class PriorityQueue<T><br/>{<br/>private NodePriorityQueue<T> root;<br/>int numNodes;</p><p>public PriorityQueue()<br/>{<br/>root = null;<br/>numNodes = 0;<br/>}<br/> <br/>public void addElement(T element)<br/>{<br/>addElement(0, element);<br/>}<br/> <br/>public void addElement(double priority,