Updating xml using dom in java

So I recently started writing a Java application that automates the process of setting up an environment for candidates to write real code in and build their work at the end.I needed a general-purpose way to take some boilerplate XML files and update certain values in the files based on candidate information, such as their name. You pass it the name of the file you want to update, an XPath expression that finds the nodes you're interested in, and then your new value.The * node to update can be either an element or an attribute.If you want to * update an attribute, just pass * * "/project/@name" (update the value of the "name" * attribute in the "project" element.) * * "/project/test[last()]/@dude" (update the value of the * "dude" attribute in the last element called "test") * * "/project/test[@price>50.00]" (update the value of the test * content for all test elements that have an attribute called "price" * whose value is greater than 50.00 ) * * "/project/test[@price>50.00]/@dude" (update the value of the * "dude" attribute for all test elements that have an attribute * called "price" whose value is greater than 50.00 ) * * "/project/test[@dude='old']" (update the value of the * "test" element for all test elements that have an attribute * called "dude" whose value is equal to the string 'old') * * * * This implementation uses DOM, so it may not be suitable for very large * (many megabyte) files.We will also see difference between DOM and SAX parser in XML and other basics related to XML parsing in Java.I thought about this article after sharing my xpath notes in Java.I'm using Java 6, but the XPath stuff was new in 5, so that's the earliest version you could use.

It's a terrific place to work, and we are undergoing a good deal of growth. The DOM parses the XML file, creates the DOM objects and loads it into the memory in the tree structure. The XML refers to the EXtensible Markup Language which is used to store and transport the data. As a result, my colleagues and I spend a considerable amount of time interviewing.We take very seriously whom we hire, but we're looking for a way to make the process less time consuming for us and more objective.

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Universal acceptability of XML and Java has helped them to grow together and they have lot of things common in between just like Java is platform independence, XML provides data which is also platform independent.

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