public class Josepfu { public static void main(String[] args){ CircleSingleLinkedList name = new CircleSingleLinkedList(); name.addBoy(5); name.showBoy(); name.countBoy(1, 2, 5); } } //創(chuàng)建一個環(huán)形的單向鏈表 class CircleSingleLinkedList { // 創(chuàng)建一個first節(jié)點,當前沒有編號的 private ...