[Java BASICS3] XML, Unit Testing

What ' s the difference between DOM and SAX?	DOM creates tree-like representation of the XML document in memory, SAX is event-based.
What ' s the difference between XSD and DTD?	XSD is in XML, DTD is not. XSD is much more comprehensive than DTD
You ' re given an XML file, and you ' re supposed to retrieve the value of a specific element in the file. How does that?	Open-ended question. See how the candidate uses various types of parsers (DOM, SAX, etc) and see if he explores the usage of XPath.

you ' re supposed to unit test Java class that accesses a database, in a machine that doesn ' t has database server installed, and no external connectivity at all. What ' s your approach?	open-ended question. See if the answer tackles the problem effectively. See if he/she suggests mocking as an option
	use Code coverage tool like Cobertura, Emma, etc
how do you unit-test a private method?	-use Reflection, set accessible property of this method to true -call an accessible met Hod that calls the private method and observe the effect caused by calling the private method

[Java BASICS3] XML, Unit testing