javaU1

日本人写的QRcode的编码和解码的java程序(Japanese QRcode write the coding and decoding process of java)

cours to programme by using java

Java 面试宝典，讲解面试技巧，面试常见问题。(Java Interview Collection)

Chat Program b/w Client and Server

测试手机JVM参数，屏幕大小，字体设置，RMS，内存HEAP，按键键值等。(JVM parameters of the test phone, the screen size, font settings, RMS, memory, HEAP, keypad keys and so on.)

说明：  操作简单的Mongodb网页web管理工具,基于Spring Boot2.0支持mongodb集群(Simple operation of mongodb web management tools, based on spring boot2.0 support mongodb cluster)

说明：  实现一个简单远程监控软件，采用Windows Socket（或Java Socket）编程。采用C/S架构。（1）能够远程监控一台主机，显示主机屏幕内容，能远程关机（2）能远程下载或上传文件（3）能远程执行一些DOS命令（4）能远程运行一些可执行命令。 (Implement a simple remote control software, using Windows Socket (or Java Socket) programming. By C/S architecture. (1) to remotely monitor a host, the screen displays the contents of the host, can remotely shut down (2) can remotely download or upload files (3) can remotely perform some DOS commands (4) can remotely run some executable command.)

interface定义了一组行为的协议。两个对象之间通过这个协议进行通信。 interface 不属于类层次结构。不相关的类可以实现相同的接口(interface defines a set of conduct agreement. Through this agreement between the two objects to communicate. interface does not belong to class hierarchy. Unrelated classes can implement the same interface)

huawei2019年网络技术精英挑战赛复赛java题目(Huawei 2009 Network Technology Elite Challenge Seminar Java Topic)

有很多的漏洞。有兴趣找茬的同志们可以下载来玩玩(There are many loopholes. Are interested in finding fault comrades can download to play)