Sax parsing xml file

<?XML version= "1.0" encoding= "UTF-8" standalone= "no"?><Bookshelf>    < Book>        <nameBookName= "Thinkinjava">Think in Java</name>        <author>Bruce Eckel</author>        < Price>95.00</ Price>    </ Book>    < Book>        <name>Effective Java</name>        <author>Joshua Bloch</author>        < Price>52.00</ Price>    </ Book></Bookshelf>

Importorg.xml.sax.*;ImportOrg.xml.sax.helpers.DefaultHandler;Importjavax.xml.parsers.ParserConfigurationException;ImportJavax.xml.parsers.SAXParser;Importjavax.xml.parsers.SAXParserFactory;Importjava.io.IOException;Importjava.util.ArrayList;Importjava.util.List;Importjava.util.Objects; Public classSaxdemo { Public Static voidMain (string[] args)throwsparserconfigurationexception, Saxexception, IOException {saxparserfactory factory=saxparserfactory.newinstance (); SAXParser Parser=Factory.newsaxparser (); XMLReader Reader=Parser.getxmlreader (); /*Reader.setcontenthandler (New Listhandle ());*/        /*Reader.setcontenthandler (New Tagvaluehandle ());*/Beanlisthandle Beanlisthandle=NewBeanlisthandle ();        Reader.setcontenthandler (Beanlisthandle); Reader.parse ("Day02/src/book.xml"); List<Book> list =beanlisthandle.getlist ();    SYSTEM.OUT.PRINTLN (list); }}//traversal read XML fileclassListhandleImplementsContentHandler {@Override Public voidsetdocumentlocator (Locator Locator) {} @Override Public voidStartdocument ()throwssaxexception {} @Override Public voidEnddocument ()throwssaxexception {} @Override Public voidstartPrefixMapping (string prefix, string uri)throwssaxexception {} @Override Public voidendprefixmapping (String prefix)throwssaxexception {} @Override Public voidStartelement (String uri, String localname, String qName, Attributes atts)throwssaxexception {System.out.println ("<" + QName + ">"); //Label Properties         for(inti = 0; Atts! =NULL&& i < atts.getlength (); i++) {String name=Atts.getqname (i); String value=Atts.getvalue (i); SYSTEM.OUT.PRINTLN (Name+ " - " +value); }} @Override Public voidEndElement (String uri, String localname, String qName)throwssaxexception {System.out.println ("</" + QName + ">"); } @Override Public voidCharacters (Char[] ch,intStartintLengththrowssaxexception {System.out.println (NewString (CH, start, length)); } @Override Public voidIgnorablewhitespace (Char[] ch,intStartintLengththrowssaxexception {} @Override Public voidProcessingInstruction (string target, string data)throwssaxexception {} @Override Public voidSkippedentity (String name)throwssaxexception {}}//gets the value of the specified labelclassTagvaluehandleextendsDefaultHandler {PrivateString Currenttag;//the currently resolved label    PrivateInteger currentindex = 0;//Current Parse Order@Override Public voidStartelement (String uri, String localname, String qName, Attributes Attributes)throwssaxexception {Currenttag=QName; if(Currenttag.equals ("Author") ) {Currentindex++; }} @Override Public voidCharacters (Char[] ch,intStartintLengththrowssaxexception {Integer index= 1;//the value of the first tag is required        if(Currenttag! =NULL&& currenttag.equals ("author") &&objects.equals (currentindex, index)) {System.out.println (NewString (CH, start, length)); }} @Override Public voidEndElement (String uri, String localname, String qName)throwssaxexception {Currenttag=NULL; }}//XML objects encapsulated as BeansclassBeanlisthandleextendsDefaultHandler {Privatelist<book> list =NewArraylist<>(); PrivateString Currenttag; PrivateBook Book ; @Override Public voidStartelement (String uri, String localname, String qName, Attributes Attributes)throwssaxexception {Currenttag=QName; if(Currenttag.equals ("book") ) { Book=NewBook (); }} @Override Public voidCharacters (Char[] ch,intStartintLengththrowssaxexception {if(Currenttag! =NULL&& currenttag.equals ("name") {book.setname (NewString (CH, start, length)); }        if(Currenttag! =NULL&& currenttag.equals ("Author") {Book.setauthor (NewString (CH, start, length)); }        if(Currenttag! =NULL&& currenttag.equals ("Price") {Book.setprice (NewString (CH, start, length)); }} @Override Public voidEndElement (String uri, String localname, String qName)throwssaxexception {Currenttag=NULL; if(Qname.equals ("book") {list.add (book); Book=NULL; }    }     PublicList<book>getList () {returnlist; }}

Sax parsing xml file