Java

this tag discribes all the posts related to the Java/J2ee

Java | Jsp | programs

Read RSS feeds using JSP
ByVijay Katta January 2, 2010

<%@page contentType=”text/html”%> <%@page pageEncoding=”UTF-8″%> <!DOCTYPE HTML PUBLIC “-//W3C//DTD HTML 4.01 Transitional//EN” “http://www.w3.org/TR/html4/loose.dtd”> <%@page import=”java.net.URL”%> <%@page import=”javax.xml.parsers.DocumentBuilder”%> <%@page import=”javax.xml.parsers.DocumentBuilderFactory”%> <%@page import=” org.w3c.dom.CharacterData”%> <%@page import=” org.w3c.dom.Document”%> <%@page import=”org.w3c.dom.Element”%> <%@page import=”org.w3c.dom.Node”%> <%@page import=”org.w3c.dom.NodeList”%> <%@page import=”java.lang.*”%> <% String desc=null; try { DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder(); URL u = new URL(“http://feed43.com/eenadu.xml”); // feed address Document doc = builder.parse(u.openStream()); String title;…

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J2se | programs | Rss feeds

Read RSS feeds by Using Java
ByVijay Katta January 2, 2010

/* * To change this template, choose Tools | Templates * and open the template in the editor. */ /** * * @author vijay * */ import java.net.URL; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import org.w3c.dom.CharacterData; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.Node; import org.w3c.dom.NodeList; public class RSSReader { private static RSSReader instance = null; private RSSReader() {…

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Apache POI | API | Basics | File reading | J2se | programs

Reading data from the .Doc file by using Apache POI api
ByVijay Katta January 2, 2010

this program simply explains how to read data from the MS wordfile(.DOC) line by line using Apache POI, what is Apache POI and what is the need i already explain in previous post, you can find that post here for executing this program we need to download Apache POI api and make jar files in…

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Basics | J2se | Java

Escape Characters in Java
ByVijay Katta January 2, 2010

n New line t Tab b Backspace r Carriage return f Formfeed \ Backslash ‘ Single quotation mark " Double quotation mark d Octal xd Hexadecimal ud Unicode character

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J2se | Java | programs | System program's

Finding system information/environment using Java
ByVijay Katta January 2, 2010

/* * To change this template, choose Tools | Templates * and open the template in the editor. */ package keyboardreader; // my package /** * * @author vijay * http://javamix.wordpress.com */ import java.util.*; import javax.swing.*; import java.awt.*; public class SystemEnvironmentlook { private final static JTextArea output = new JTextArea(); public static void main( String…

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Basics | J2se | Java | programs | System program's

Converting system date to required format
ByVijay Katta January 2, 2010

package automatedsms; // my package name /** * * @author katta vijay */ import java.util.Calendar; import java.text.SimpleDateFormat; public class DateUtils { public static String now(String dateFormat) { Calendar cal = Calendar.getInstance(); SimpleDateFormat sdf = new SimpleDateFormat(dateFormat); return sdf.format(cal.getTime()); } public static void main(String arg[]) { // different date formats System.out.println(DateUtils.now(“dd MMMMM yyyy”)); // calling now…

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J2EE | Java | Jsp

output comment and hidden comment in JSP
ByVijay Katta January 2, 2010

output comment: A comment that is sent to the client in the viewable page source.The JSP engine handles an output comment as uninterpreted HTML text, returning the comment in the HTML output sent to the client. You can see the comment by viewing the page source from your Web browser. JSP Syntax <!– comment […

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J2se | Java | programs | System program's

Finding the localhost IP
ByVijay Katta January 2, 2010

// package sampleprograms; import java.io.*; import java.net.*; /** * * @author katta vijay */ public class Main { /** * @param args the command line arguments */ public static void main(String[] args) { // TODO code application logic here try{ String ip = InetAddress.getLocalHost().getHostAddress(); System.out.println(ip); }catch(Exception e){ } } } —————————————————-output is———————— 10.0.0.223

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J2se | Java | programs | Serial port communication

Sending SMS using serialport in Java
ByVijay Katta January 2, 2010

before going to execute this program read here <a href="http://javamix.wordpress.com/2009/03/30/installing-comport-api-in-windows/">how to install comport api for windows</a> /* this is the program used to send the message from javaprogram to the mobile phone */ /* Note :- before using this porogram first read the post "serialport communication using Java" by me in this blog. */ package…

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J2se | Java | programs | Serial port communication | System program's

Serial port communication in Java
ByVijay Katta January 2, 2010

before going to execute this program read how to install comport api for windows In java there is no inbuilt support to access serial or parallel ports, to over come this we are taking support of Java communication API. after downloading the java communication api extract the folder then you can get the following… in…

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