package my.collection.linearTest; import my.collection.linear.MyQueue; public class MyQueueTest { public static void main(String[] args) { MyQueue mq = new MyQueue(); System.out.println(mq.isEmpty()); mq.enQueue("a"); System.out.println(mq.isEmpty()); mq.enQueue("s"); mq.enQueue("d"); System.out.println(mq.size()); mq.deQueue(); System.out.println(mq.size()); } }