IntegerWr> pq = new PriorityQueue<>(); System.out.println(pq.peekIntegerWr iw1 = new IntegerWr(1); System.out.println(pq.peek//change value of element that is actually on peek
在运行代码时出现了问题,它显示了peek()方法中的运行时错误。int arr[];
{ frontIndex =-1; arr = new int[size];public int peekqueue.enqueue(15); System.out.println("Front element of queue is " + queue.peek