Sams Teach Yourself Java™ in 24 Hours, Sixth Edition

Creating an XML File

Before exploring XOM, you should learn some things about XML and how it stores data. XML data turns up in countless places—it can be stored to a file, transmitted over an Internet network, and held in a program’s memory.

Several classes in the Java class library can read and write XML, including the Properties class in the java.util package, which was covered in Hour 20, “Reading and Writing Files.”

A Properties object can be stored as XML rather than in the name=value format covered in the preceding hour.

After the object has been filled with configuration properties, its storeToXML() method saves it to an XML file. This method takes two arguments:

• A FileOutputStream over which the file should be saved

• A comment, which ...