what is XML Parser| types of XML Parser

 XML Parser

The XML parser is a software that checks whether or not  XML Parser document is well-formed or valid extracts data from an XML file.

Builds a data structure similar structure XML Parser. As a human form sentences from given words, recognize errors make corrections,  parser encodes syntax by breaking them down into small components from a structure. Parsing involves specific rules regulations.

A parser that only checks whether a code is well-formed or not is called a non-validating parser. It does not check for the validity of a document.there are several XML Parser available in the market.

XML Parser Types

There are Two Types of XML Parser

  1. DOM
  2. SAX

XML Parser

 DOM (Document Object Model)

A DOM document is an associated object that contains all data of the associated XML document. It’s composed sort of a tree structure. The DOM computer program implements a DOM API. This API is incredibly straightforward to use.

Features of DOM Parser
A DOM computer program creates inside structure in memory that could a DOM document object also consumer applications get info.

first XML document by invoking strategies on this document object.

DOM parser includes a tree primarily based structure.

1) DOM Parser supports each scan and writes operations also API is incredibly straightforward to use.

2) DOM Parser is most well-liked once random access to widely separated elements of a document is needed.

1)DOM Parser memory is inefficient. (consumes additional memory as a result of the complete XML document must load into memory).

2)DOM Parser is relatively slower than alternative parsers.


SAX (Simple API for XML)


A SAX Parser implements SAX API. This API is associate event-based API and fewer intuitive. Features of SAX Parser
SAX Parser doesn’t produce any internal structure. Clients don’t understand what strategies to decision; they only override the plan of the API and place his code within a technique.

It is an occurrence primarily based computer program; it works as an occurrence handler in Java.



1) SAX Parser straightforward and memory economical.


2) SAX Parser No time and works for large documents.




1) Event-based, therefore, API is a smaller amount intuitive.


2) Purchasers never understand total info as a result of the information is broken into items.

XML Parser used Example


  • Simple API for XML(SAX) Parser-SAX Parser is an event-driven parser. You offer the recall ways, and therefore, the program invokes them because it reads the XML data.


  • Document Object Model (DOM)Parser-XML Document Object Model (XML DOM)defines a standard way for accessing and manipulating XML documents. DOM read XML documents as a tree structure. Their content is often changed or deleted, and new parts created — the elements, The parts, their text, and their attributes square measure all called nodes.


  • XML Style Sheet (XSLT) Parser XSL is used to define how the XML File should convert so that it can see in the required format in the browser.


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