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非循环队列 判空： front == rear 判满：rear == maxsize - 1 队列元素个数：rear - front front指针移动方式：front = front +1 rear指针移动方式：rear = rear +1 import java.awt.Font; import java.util.Scanner; import javax.management.RuntimeErrorException; public class ArrayQueueDemo { publ

import java.awt.Font; import java.util.Scanner; import javax.management.RuntimeErrorException; public class CircleArrayQueueDemo { public static void main(String[] args) { //创建队列 CircleArrayQueue circleArrayQueue = new CircleArrayQueue(4); char k