What are the methods for adding nodes in dom4j?

1. Add an element node using the addElement(String name) method.

Element element = rootElement.addElement("childElement");

1. Add attributes to an element node using the addAttribute(String name, String value) method.

element.addAttribute("attributeName", "attributeValue");

1. Add text content to an element node using the addText(String text) method.

element.addText("This is the text content of the element");

1. Add CDATA block content to an element node using the addCDATA(String text) method.

element.addCDATA("This is the CDATA content of the element");

1. Add an element node and attribute in one step using the methods addElement(String name) and addAttribute(String name, String value).

Element childElement = rootElement.addElement("childElement").addAttribute("attributeName", "attributeValue");