import org.w3c.dom.*;
import javax.xml.parsers.*;
import java.io.*;

public class DOMCountElement{
    public static void main(String[] args) {
		try {
			BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
			System.out.print("Enter File name: ");
			String xmlFile = bf.readLine();
			File file = new File(xmlFile);
			if (file.exists()){
				DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
				// Create the builder and parse the file
				Document doc = factory.newDocumentBuilder().parse(xmlFile);
				System.out.print("Enter element name: ");
				String element = bf.readLine();
				NodeList nodes = doc.getElementsByTagName(element);
				System.out.println("xml Document Contains " + nodes.getLength() + "  elements.");
			}
			else{
				System.out.print("File not found!");
			}
		}
		catch (Exception ex) {
            System.out.println(ex);
        }
    }
}