用java开发的soket聊天程序，有3个soket工程，其中第3个有swing和dos之分，还有2个ppt教程！-With the java chat program developed soket, there are three soket project, the first of which three are swing and the dos of the points, there are 2 ppt tutorial!

TCP-UDP通信，PPT中详细讲述了TCP、UDP相关技术，并详细讲解了windows socket相关编程函数，并带有socket编写的TCP通信程序。-TCP-UDP communication, PPT in detail the TCP, UDP related technologies, and explain in detail the windows socket programming related functions, and written with a TCP sock