参考:

【JAVA语法】持有对象--Java中迭代器Iterator的用法（初体验）
https://blog.csdn.net/qq_37935670/article/details/79583339

Java中Iterator用法整理
https://www.cnblogs.com/xiaozhaoboke/p/11038893.html

参考：

java linkedlist 查找_用LinkedList如何实现搜索指定对象的元素
https://blog.csdn.net/weixin_29793473/article/details/114201063

java linkedlist 查找_Java LinkedList.get() 获取元素
https://blog.csdn.net/weixin_34418334/article/details/114537443

java list 查找元素_java中如何在LinkedList查找元素
https://blog.csdn.net/weixin_39878716/article/details/114180132

java linkedlist 查找_用LinkedList如何实现搜索指定对象的元素
https://blog.csdn.net/weixin_29793473/article/details/114201063

Java LinkedList
https://www.runoob.com/java/java-linkedlist.html

参考:

SQLite重置主键字段
https://www.imooc.com/wenda/detail/585683

Sqlite 清空表中所有数据 并重置自增长数据
https://blog.csdn.net/hn307165411/article/details/7084974

参考：

Java中float和double类型在内存中的存储结构
https://blog.csdn.net/qq_38006520/article/details/82661161

Java语言中：float数据类型在内存中是怎么存储的？
https://www.cnblogs.com/chenmingjun/p/8415464.html

java中float与byte[]的互转
https://blog.csdn.net/douzi949389/article/details/79339440

参考:

颜色表及html代码
http://xh.5156edu.com/page/z1015m9220j18754.html

参考:

android中 有textview在布局中居右展示以及文本靠右对齐
https://blog.csdn.net/emmmsuperdan/article/details/85047770

android TextView 控件居右显示
https://blog.csdn.net/pengjin1985/article/details/39320507?spm=1001.2101.3001.6650.1&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-1.no_search_link&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-1.no_search_link

如何使文本在 Android TextView 向右对齐
https://blog.csdn.net/qq_35114086/article/details/52398962

参考：

Java数组与vector互转
https://www.cnblogs.com/CentForever/p/4702865.html

Java Vector 类
https://www.runoob.com/java/java-vector-class.html

Java vector与数组相互转换
https://blog.csdn.net/lyc0424/article/details/100534320

参考：

Java 11 – String.repeat()介绍
https://blog.csdn.net/w116858389/article/details/116644332

New String APIs/Methods in Java 11
https://www.javaguides.net/2018/08/java-string-class-api-guide.html

java中将字符(Char)转换为字符串的四种方式
http://www.jquerycn.cn/a_17663

Java字符串篇-2-String类几个常见构造方法
https://blog.csdn.net/u011541946/article/details/79854672

android开发中byte[]转换成String
https://blog.csdn.net/u010477502/article/details/51854261

[转] java byte[] hex打印
https://www.cnblogs.com/tinyos/p/7208709.html

JAVA byte数组转化为16进制字符串输出
https://blog.csdn.net/x_iya/article/details/54136799

Android byte字节数组转换十六进制字符串（物联网开发总结）
https://blog.csdn.net/qq_31939617/article/details/82413926

android byte字节数组转换十六进制字符串
https://blog.csdn.net/zhao_liwei/article/details/51985391

Android MD5后 bye数组转化为Hex字符串的坑（记一次为女神排忧解难的经历）
https://cloud.tencent.com/developer/article/1132772

Andrid打印数组的方法
https://blog.csdn.net/Sunxiaolin2016/article/details/90080355

参考:

QT中倒计时显示 QLCDNumber
https://blog.csdn.net/zyc_csdn/article/details/78830577

【QT】利用QT做一个简单的LCD的倒计时效果
https://rong11417.blog.csdn.net/article/details/104573462?spm=1001.2101.3001.6650.4&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-4.pc_relevant_default&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-4.pc_relevant_default&utm_relevant_index=9

QT下lcdNumber实现倒计时源代码
https://haigear.blog.csdn.net/article/details/120562850?spm=1001.2101.3001.6650.1&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-1.pc_relevant_default&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-1.pc_relevant_default&utm_relevant_index=2

QLCDNumber制作的超简单计时器，按下空格键暂停。
https://blog.csdn.net/shensheng100221/article/details/103671469?spm=1001.2101.3001.6650.2&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-2.pc_relevant_default&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-2.pc_relevant_default&utm_relevant_index=5

QLCDNumber使用
https://blog.csdn.net/xuancailinggan/article/details/77487705?spm=1001.2101.3001.6650.6&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7ERate-6.pc_relevant_default&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7ERate-6.pc_relevant_default&utm_relevant_index=12

Qt|QTimer动态倒计时显示距离下一次任务执行剩余的时间
https://blog.csdn.net/kllo__/article/details/120221995?spm=1001.2101.3001.6650.10&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7ERate-10.pc_relevant_default&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7ERate-10.pc_relevant_default&utm_relevant_index=16

关于QT倒计时的简单实现
https://blog.csdn.net/qq_43627385/article/details/100022968?spm=1001.2101.3001.6650.11&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7ERate-11.pc_relevant_default&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7ERate-11.pc_relevant_default&utm_relevant_index=17

Qt使用QTimer实现倒计时功能
https://blog.csdn.net/kllo__/article/details/120200812?spm=1001.2101.3001.6650.15&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7ERate-15.pc_relevant_default&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7ERate-15.pc_relevant_default&utm_relevant_index=21

参考

用代码生成流程图，Markdown的使用方法
https://blog.csdn.net/u012388993/article/details/116704452
flowchart.js
http://flowchart.js.org/
用markdown来画流程图
https://www.jianshu.com/p/02a5a1bf1096
markdown 中流程图详解
https://blog.csdn.net/suoxd123/article/details/84992282
Markdown 进阶技能：用代码画流程图（编程零基础也适用）
https://zhuanlan.zhihu.com/p/69495726
Markdown 流程图
https://www.imooc.com/wiki/markdownlesson/markdownflowchart.html
typora制作流程图
https://www.typora.net/945.html
Markdown--绘制流程图(flowchart)
https://blog.csdn.net/baidu_38172402/article/details/88757379