Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.io.StringReader;
import java.io.StringWriter;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.xml.sax.InputSource;

public class Main {
    static public void main(String[] arg) throws Exception {
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        dbf.setValidating(true);
        dbf.setNamespaceAware(true);
        dbf.setIgnoringElementContentWhitespace(true);

        DocumentBuilder builder = dbf.newDocumentBuilder();

        StringReader sr = new StringReader("<tag>java2s.com</tag>");
        Document document = builder.parse(new InputSource(sr));
        deleteFirstElement(document);

        TransformerFactory tf = TransformerFactory.newInstance();
        Transformer trans = tf.newTransformer();
        StringWriter sw = new StringWriter();
        trans.transform(new DOMSource(document), new StreamResult(sw));
        System.out.println(sw.toString());

    }

    public static void deleteFirstElement(Document doc) {
        Element root = doc.getDocumentElement();
        if (root.getFirstChild() instanceof Element) {
            Element child = (Element) root.getFirstChild();
            root.removeChild(child);

        }
    }
}