Updating xml using dom in java
First, we need to create a document builder using In above code, we are parsing an XML file from filesystem.Sometimes you might want to parse XML specified as String value instead of reading it from file.This can be done using the set Attribute() method or setting the node Value property of the attribute node.
Read this w3school page for more details: are few examples of using different expressions of xpath to fetch some information from xml document.Below code comes handy to parse XML specified as String.Use xpath object to complie an XPath expression and evaluate it on document.Today we will learn how to read the XML file in Java. We will also learn how to parse an XML file in java to object using DOM parser. It loads the XML object into memory as Document, then you can easily traverse different elements and nodes in the object.
You can say that XPath is (sort of) SQL for XML files.