用JAVA实现的会话程序

1 编程环境：JCreator——提交的程序为*.java和*.class，在命令行下可以运行。

2 服务器端的命令可以随机输入（您可以输入20个，也可以输入其余任意个）。

‘a’,’b’,’c’,’d’分别代表“上”，“下”，“左”，“右”。END代表结束。

3 客户端显示接收的命令和操作者的按键情况（Ctrl+“上、下、左、右”）

4 客户端每接收一条命令，便向服务器端报告一次执行情况(“正确/错误”)，并在服务器端显示

5 在服务器端输入END然后回车，则会话结束，客户端窗口关闭。

-JAVA program to achieve the session with a programming environment: JCreator- the procedures for the submission of*. java and*. class, you can run the command line. 2 on the server side command to random input (you can enter 20, you can enter any number of other). ' A' , ' b' , ' c' , ' d'　represent the " on"　and " down" , " left"　and " right."　END behalf of the end. 3 shows the client receives the command and the operator' s keystrokes (Ctrl+ " up, down, left, right" ) 4 for each client receives a command, Pianxiang the first performance report on the server side (" right/wrong" ), and On the server side show the 5 on the server side input END and press Enter, then the session ends, the client window is closed.