Java中PriorityQueue（优先队列）使用范例代码，priorityqueue范例,import java.

Java中PriorityQueue（优先队列）使用范例代码，priorityqueue范例,import java.

import java.util.PriorityQueue;public class Cars {   public static void main(String[] args) {      PriorityQueue<String> car = new PriorityQueue<String>();      car.add("lincoln");      car.add("ford");      car.add("suzuki");      car.add("toyota");      car.add("nissan");      System.out.println("The car: ");      for (String name : car) {         System.out.println(name);      }      car.poll();      System.out.println("The car: ");      for (String name : car) {         System.out.println(name);      }      car.remove("suzuki");      System.out.println("The car: ");      for (String name : car) {         System.out.println(name);      }      System.out.println("The head: " + car.peek());   }}