Java tutorial
//package com.java2s; public class Main { public static String addAttribute(String p_name, String p_value) { StringBuffer l_buf = null; if (p_value != null) { l_buf = new StringBuffer(); l_buf.append(" ").append(p_name).append("=\""); l_buf.append(p_value).append("\""); return l_buf.toString(); } return ""; } }