可以获得本机ip地址以及其它相关信息，获取网络信息-You can get the ip address of the machine and other related information, access to network information

用于网络ip数据包的解析，并显示抓获的数据包，字段，报头等信息-Ip packets for network analysis, and display the captured packets, fields, header and information

JAVA语言实现点对点网络通信,用户之间相互发送和接收文件和信息-JAVA language to realize point-to-point network communication, sending and receiving documents and information between users