转自:http://blog.csdn.net/sunboy_2050/article/details/7310008 版权声明:本文为博主原创文章,未经博主允许不得转载. Java基本数据类型int 32bitshort 16bitlong 64bitbyte 8bit char 16bitfloat 32bitdouble 64bit boolean 1bit,This data type represents one bit of information
java检测端口号是否被占用的工具类: package com.frank.util; import java.io.IOException; import java.net.InetAddress; import java.net.Socket; import java.net.UnknownHostException; public class NetUtil { /*** * true:already in using false:not using * @param port