这是一个用java高级编程语言编写的程序，能够实现用牛顿迭代法求解某个函数在某个指定区间内的根，方便易用。-Java This is a high-level programming languages used in the preparation of procedures, be able to achieve with Newton iteration to solve a function in a specified range of root and user-friendly.

基于java的在线聊天功能简单实现程序，可直接运行(Simple realization of online chat function)