Java Codes and Programs

Spring Dependency Injection and IOC

noreply@blogger.com (Ravinderjeet S. Nagpal) — Tue, 01 Nov 2011 10:01:30 PDT

DI is a technique to make the code loosely coupled and classes independent by injecting the dependencies externally rather than creating or finding the dependency within the class. So, that we can...

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Java Equals and Java hasCode functions for deep Comparasion

noreply@blogger.com (Ravinderjeet S. Nagpal) — Tue, 21 Jun 2011 10:47:03 PDT

import java.util.Comparator; import java.util.HashSet; import java.util.LinkedHashSet; import java.util.Set; import java.util.TreeSet; public class EqualsTest implements Comparator { public...

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Java Code for Connection Pooling / Connection Pooling in Java

noreply@blogger.com (Ravinderjeet S. Nagpal) — Thu, 04 Feb 2010 11:11:40 PST

public class MyConnection { private boolean inUse ; public MyConnection() {this.inUse = false;} public void setInUse(){this.inUse = true;} public void setNotInUse(){this.inUse = false;} public...

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java.lang.reflect.InvocationTargetException on Tomcat 6.x/Axis1.4

noreply@blogger.com (Ravinderjeet S. Nagpal) — Wed, 13 Apr 2011 07:03:32 PDT

I developed the webservice using Apache Axis 1.4 an deployed it on Tomcat 6.x and it was giving some target invocation exception, below mentioned is a part of exception stacktrace while consuming...

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Spring Work Flow and Its Controllers Behaviour

noreply@blogger.com (Ravinderjeet S. Nagpal) — Tue, 21 Jul 2009 05:44:55 PDT

WORKFLOWAfter a DispatcherServlet has received a request and has done its work to resolve locales, themes and suchlike, it then tries to resolve a Controller, using a HandlerMapping. When a...

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Servlet Request & Response Behaviour

noreply@blogger.com (Ravinderjeet S. Nagpal) — Tue, 21 Jul 2009 05:34:09 PDT

A request from a browser or other client consists of an HTTP command (usually GET or POST), zero or more request headers (one or more in HTTP 1.1, since Host is required), a blank line, and, only in...

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NESTED CLASS DESCRIPTION

noreply@blogger.com (Ravinderjeet S. Nagpal) — Fri, 31 Jul 2009 13:24:22 PDT

A class that is declared within another class or interface is called a nested class. For example,//a class declared within a class.class A{ int i=100; //this is a nested class. class B { int j=100;...

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JDBC DESCRIPTION

noreply@blogger.com (Ravinderjeet S. Nagpal) — Fri, 31 Jul 2009 13:26:47 PDT

Q. JDBC stands for _______Ans. Java Database Connectivity.Q. What is JDBC API?Ans. JDBC API is a collection of classes and interfaces, which help a Java application to connect to SQL based relational...

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JAVA EXCEPTIONS DESCRIPTION

noreply@blogger.com (Ravinderjeet S. Nagpal) — Fri, 31 Jul 2009 13:28:21 PDT

Q. The two immediate subclasses of Throwable class are: __________ and _________.Ans. Exception and Error.Q. What is an exception?Ans. An exception is basically a runtime error.Q. How does an...

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Event Delegation Model

noreply@blogger.com (Ravinderjeet S. Nagpal) — Fri, 31 Jul 2009 13:29:17 PDT

Q. Explain the Event Delegation Model.Ans. The Event Delegation Model is Java’s way of handling user/process generated events. In this model, a source generates an event which is sent to one or more...

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Java Virtual Machine

noreply@blogger.com (Ravinderjeet S. Nagpal) — Fri, 31 Jul 2009 13:30:21 PDT

Java Virtual Machine (JVM) is a virtual computer, typically implemented in software on top of a "real" hardware platform and operating system that runs compiled Java programs.All Java programs are...

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SWING PROGRESS MONITOR (JPROGRESSMONITOR)

noreply@blogger.com (Ravinderjeet S. Nagpal) — Fri, 31 Jul 2009 13:31:33 PDT

package progressmonitorexample;import javax.swing.*;import java.awt.event.*;import java.beans.*;import java.io.*;import java.awt.Insets;import java.awt.BorderLayout;import java.util.*;import...

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READING XML THROUGH JAVASCRIPT

noreply@blogger.com (Ravinderjeet S. Nagpal) — Fri, 31 Jul 2009 13:33:12 PDT

READING XML THROUGH JAVASCRIPTXML.load = function(url) { var xmldoc = XML.newDocument(); xmldoc.async = false; xmldoc.load(url); return xmldoc; };XML.newDocument =...

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SWING JTREE EXAMPLE

noreply@blogger.com (Ravinderjeet S. Nagpal) — Fri, 31 Jul 2009 13:34:10 PDT

import java.awt.*;import java.awt.event.*;import javax.swing.*;import javax.swing.tree.*;public class JTreeDemo{ public static void main(String [] arg) { JTreeDemo obj = new JTreeDemo(); } public...

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SWING JSLIDER EXAMPLE

noreply@blogger.com (Ravinderjeet S. Nagpal) — Fri, 31 Jul 2009 13:35:12 PDT

Eimport java.awt.event.*;import java.awt.*;import javax.swing.*;import javax.swing.event.*;public class JSliderDemo{ public static void main(String[] a) { JFrame frame = new JFrame("JSlider...

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SWING TABBEDPANE EXAMPLE

noreply@blogger.com (Ravinderjeet S. Nagpal) — Fri, 31 Jul 2009 13:36:14 PDT

import javax.swing.*;import java.awt.*;import java.awt.event.*;public class JTabbedPaneDemo{ public static void main(String[] arg) { JTabbedPaneDemo obj = new JTabbedPaneDemo(); } public...

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Drag And Drop using javascript

noreply@blogger.com (Ravinderjeet S. Nagpal) — Fri, 31 Jul 2009 13:44:21 PDT

<%@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"> ...

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Java Mail Code To Send EMAIL

noreply@blogger.com (Ravinderjeet S. Nagpal) — Fri, 31 Jul 2009 13:47:16 PDT

E-Mailing Through Java Mail * You use the JavaMail API where as JavaMail implementation providers implement the JavaMail API to give you a JavaMail client (Java JAR file). Sun gives you mail.jar...

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noreply@blogger.com (Ravinderjeet S. Nagpal) — Thu, 07 May 2009 12:45:15 PDT

WEBSERVICE SUMMARYOur web service class starts with three annotations:@ServiceMode(value = Service.Mode.PAYLOAD)@WebServiceProvider(serviceName = "authService")@BindingType(value =...

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noreply@blogger.com (Ravinderjeet S. Nagpal) — Thu, 07 May 2009 12:36:26 PDT

JASPER REPORTS I've recently been researching reporting tools for a project I will be soon be working on. One of the tools I've been looking at is JasperReports. JasperReports is a very popular...

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RESTFUL WEBSERVICE CODE

noreply@blogger.com (Ravinderjeet S. Nagpal) — Wed, 29 Jul 2009 13:21:35 PDT

package tutorials.jersey;import java.util.List;/**** @author Java Program and Codes* A model class for this very simple Jersey RESt example.**/public class Shoe {/*** In memory list. In a real world...

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Download Code for Swing Components

noreply@blogger.com (Ravinderjeet S. Nagpal) — Sun, 08 Mar 2009 06:52:06 PDT

Download Code for Swing Components

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Download Pagination code in JSP/Servlet

noreply@blogger.com (Ravinderjeet S. Nagpal) — Fri, 22 Apr 2011 01:41:15 PDT

Nice Pagination example/logic/code: Pagination File size:198.33 KB Also, look at the following: (only source files including JSPs, JAVA/Servlet files. Please add other related jars which are easily...

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Download Struts-AJAX CRUD, Download CRUD in Struts/Ajax

noreply@blogger.com (Ravinderjeet S. Nagpal) — Thu, 21 Apr 2011 22:57:42 PDT

With all required libraries Download: struts-ajax-crud.zip File size:2.24 MB

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Download JSP/Servlet Project for maintainig Events/ Download Event management Project in JSP/SERVLET

noreply@blogger.com (Ravinderjeet S. Nagpal) — Thu, 29 Jan 2009 03:49:41 PST

http://www.ziddu.com/download/3224682/events_jsp.zip.html

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