public class DynamicQueue { private int rear , front , size; private static int CAPACITY = 16; private int[] queueRep; //empty constructor intialization process public DynamicQueue(){ rear = 0 ; front = 0 ; size = 0; queueRep = new int[CAPACITY]; } //parameterize constructor public DynamicQueue(int cap) throws NullPointerException{ if(cap