How To Read Xml File In Java

Java provides many ways to parse an xml file.

How to read xml file in java. In short it turns a xml file into dom or tree structure and you have to traverse a node by node to get what you want. Xml extensible markup language is a markup language that defines a set of rules for encoding documents in a format that is readable xml parsing refers to going through an xml document in order to access or modify data. Sax parser is working differently with a dom parser it neither load any xml document into memory nor create any object representation of the xml document. Dom parser parses the entire xml document and loads it into memory. An xml parser provides the required functionality to access or modify data in an xml document.

We will also learn how to parse xml file to java object using dom xml parser. Sax parser stax parser. Then models it in a tree structure for easy traversal or manipulation. In this tutorial we will read the xml file and parse it to create an object from it. For large xml files you should use sax parser.

Instead the sax parser use callback function org xml sax helpers defaulthandler to informs clients of the xml document structure sax parser is faster and uses less memory than dom parser. Consider we have the following students xml file. See following sax callback methods. Reading xml file in java is much different from reading other files like docx and txt because xml file contains data between the tags. If you re interested in sax or stax parser please refer to these tutorials.

In this article let s explore java xml parser in detail. In this tutorial we show how to read and parse an xml file using dom parser provided by jdk. In this tutorial we will show you how to read an xml file via dom xml parser. There are two parsers in java which parses an xml file. The dom api provides the classes to read and write an.

Then models it in a tree structure for easy traversal or manipulation. Program to read xml file in java using java jdom parser 1. Filereader bufferedreader files scanner fileinputstream filewriter bufferedwriter fileoutputstream etc which one to use depends on the java version you re working with and whether you need to read bytes or characters and the size of the file lines etc. In this article we will learn how to read xml file in java. There are many available classes in the java api that can be used to read and write files in java.