在浏览器中创建简单的webservice（java）以及读取和显示xml文件

am new to webservice. I want to create/publish a new webserice which has to read xml file and display the same in the browser. Any one of you have any example for this. I am very confusing that which webservice needed to use (soap/restful/simple webservice) and how to use endpoint here to dispaly the xml file. am new to webservice. I want to create/publish