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java编译的简单计算器的代码，无须导入新包(simple calculator java code compiled without adding a new package)

GB28181-2011T 安全防范视频监控联网系统信息传输、交换、控制技术要求(GB SAFE VIDEO)

创建一个DEMO窗口，将第一个文本区域的文字通过点击COPY复制到下一个文本区域，CLEAR清空，CLOSE关闭(Create a DEMO window, the first text area COPY copy the text to the next by clicking on a text area, CLEAR Clear, CLOSE close)

说明：  实现添加日志功能，用户能够保存自己怕忘记的事(Implementing the function of adding logs, users can save things they are afraid of forgetting.)

hibernate参考，希望对各位有用。初次发帖，会有不足之处，会改进。(hibernate reference, in the hope that useful. The initial posting, there are deficiencies, will improve.)

在java中实现2个线程之间的死锁,即程序始终不终止,但也仍在运行()

myabtis 整合后的项目 可直接使用(Myabtis integrated projects can be used directly)

Java Reference book for OCJP(prev SCJP)

该代码是在原有的程序基础上，，进行对计算器的修改。。(The code is based on the original program, to carry out modifications to the calculator. .)

java书籍ppt 里面有很多教程 值得参考使用(There are many tutorials in Java books worth referring to.)