if( !ip.isSiteLocalAddress()
&& !ip.isLoopbackAddress()
&& ip.getHostAddress().indexOf(":")==-1)
{
return ip;
}
else
{
ip=null;
}
}
}
/**
*
* 获取当前运行程序的内存信息
* @return
*/
public static final String getRAMinfo() {
Runtime rt = Runtime.getRuntime();
return "RAM: " + rt.totalMemory() + " bytes total, " + rt.freeMemory() + " bytes free.";
}
}