private static void parseClassToLoad(XmlPullParser parser) throws Exception {
String className = parser.nextText();
// Attempt to load the class so that the class can get initialized
try {
Class.forName(className);
}
catch (ClassNotFoundException cnfe) {
System.err.println("Error! A startup class specified in smack-config.xml could " +
"not be loaded: " + className);
}
}加载类初始化
原文：http://blog.csdn.net/tw19811220/article/details/39119181
