信息社会中手机及其它无线设备越来越多地走进普通老百姓的工作和生活中。随着信息网络化的不断发展，手机及其它无线设备上网也势在必行。J2ME技术是当前业界流行的无线应用开发支柱平台，基于J2ME能够方便地利用各种Java技术在手机上实现许多复杂的功能，传统的手机软件存在很多弊端，而Java技术在无线网络服务中的优势非常明显。-Information society, mobile phones and other wireless devices in more and more ordinary

Wi-Fi hotspots are very common now days. Laptops and PDAs use these hotspots to access the internet as these devices have Wi-Fi facility built into it Now a days we can use internet by using Wi-Fi in the mobile phones too. Wi-Fi hotspot is site that