The J2EE™ Tutorial Second Edition

Examining the Structure of a DOM

In this section, you'll use the GUIfied DomEcho application created in the preceding section to visually examine a DOM. You'll see what nodes make up the DOM and how they are arranged. With the understanding you acquire, you'll be well prepared to construct and modify Document Object Model structures in the future.

Displaying a Simple Tree

We'll start by displaying a simple file so that you get an idea of basic DOM structure. Then we'll look at the structure that results when you include some advanced XML elements.

Note

The code used to create the figures in this section is in DomEcho02.java. The file displayed is slideSample01.xml. (The browsable version is slideSample01-xml.html.)

Figure 6-1 shows the tree you ...