basic concept of cpp

 introduction of cpp.

·       Cpp programming language is developed by Bjarne stroustrup in the early 1980 at Bell Laboratories.

·       Cpp is one type of object oriented language.

·       It’s in used class is concept of structure these have first of all these called clss with c.

·       Cpp extent ion denoted improvement in c.

Give the basic concept of cpp. 

Object

·         To combine both data and function in single unite is called object

·         Object are basic runtime entities.

·         Syntax

   Class name  object name;

Class

·         Class is an expanded concept of data structure, it can hold both data and function.

·         Class classname.

Data abstraction

·         Classes use the concept of abstraction and are defined list of abstract attributes(data).

Data encapsulation

·         both data and function in single unit is called data encapsulation .

inheritance      

·         code reusability is called inheritance.

Polymorphism

·         ability to take more than one form is called polymorphism

dynamic binding

·         it is also called dad binding

·         it is run time polymorphism

message passing 

·         object communicate with each other by sending or receiving message. 

What is the disadvantages of c ?

·         In c not provide security

·         We not easily find out which data used by which function

·         Code length is more

·         Boolean data type not available.

·         Provide less functionality

·         Function have unrestricted access of global data

struts2

projectname/webcontent/webinf/web.xml

web.xml


<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
<display-name>rta</display-name>
<welcome-file-list>
<welcome-file>login.jsp</welcome-file>
</welcome-file-list>
<!-- this portion use in smartbid for session menagement
<filter>
<filter-name>logFilter</filter-name>
<filter-class>com.smartbid.controller.LogFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>logFilter</filter-name>
<url-pattern>*.action</url-pattern>
</filter-mapping> -->
<listener>
<listener-class>
org.apache.struts2.tiles.StrutsTilesListener
</listener-class>
</listener>
<context-param>
<param-name>tilesDefinitions</param-name>
<param-value>/WEB-INF/tiles.xml</param-value>
</context-param>
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>


struts.xml

umesh sohaliya

projectname/resource/struts.xml




<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">

<struts>

<package name="default" extends="struts-default">

<result-types>
<result-type name="tiles" class="org.apache.struts2.views.tiles.TilesResult" />
</result-types>


<!-- main page tiles action comming from homepage home link -->

<action name="a" class="dtb">
<result name="success" >/login.jsp</result>
</action>

<action name="log" class="logcheck" >
<result name="success" type="tiles">main.tiles</result>
<result name="error" >/login.jsp</result>
</action>

<action name="main" >
<result name="success" type="tiles">main.tiles</result>

</action>

<!-- poll -->
<action name="playpoll" class="playpoll">
<result name="success" type="tiles"> playpoll.tiles</result>
</action>

<action name="newpoll" class="newpoll">
<result name="success" type="tiles"> newpoll.tiles</result>
</action>

<action name="epoll" class="epoll">
<result name="success" type="tiles"> main.tiles</result>
</action>

<action name="Reqpoll" class="reqpoll">
<result name="success" type="tiles"> Reqpoll.tiles</result>
</action>

<action name="resultpoll" class="resultpoll">
<result name="success" type="tiles">resultpoll.tiles</result>
</action>

<action name="createpoll" class="createpoll">
<result name="success" type="tiles">main.tiles</result>
</action>

<action name="aaa" class="gopoll">
<result name="success" type="tiles">aaa.tiles</result>
</action>

<action name="findpoll" class="a">
<result name="success" type="tiles">findpoll.tiles</result>
</action>


<!-- page -->


<action name="createpage" class="createpage">
<result name="success" type="tiles">createpage.tiles</result>
</action>

<action name="findpage" class="findpage">
<result name="success" type="tiles">findpage.tiles</result>
</action>


<action name="coipage" class="coipage">
<result name="success" type="tiles">coipage.tiles</result>
</action>

<action name="epage" class="epage">
<result name="success" type="tiles">coipage.tiles</result>
</action>


<action name="boppage" class="boppage">
<result name="success" type="tiles">coipage.tiles</result>
</action>

<action name="lboppage" class="lboppage">
<result name="success" type="tiles">coipage.tiles</result>
</action>

<action name="aboppage" class="aboppage">
<result name="success" type="tiles">coipage.tiles</result>
</action>

<action name="savepage" class="savepage">
<result name="success" type="tiles">savepage.tiles</result>
</action>

<action name="show" class="show">
<result name="success" type="tiles">show.tiles</result>
<result name="error" type="tiles">owner.tiles</result>
</action>

<action name="pagesearch" class="pagesearch">
<result name="success" type="tiles">pagesearch.tiles</result>
</action>



<action name="upg" class="pgupld">
<result name="success" type="tiles">owner.tiles</result>
</action>

<!-- upload -->
<action name="umain" class="upldmain">
<result name="success" type="tiles">main.tiles</result>
</action>

<!-- search -->

<action name="abc" class="abc">
<result name="success" type="tiles"> search.tiles</result>
</action>

<!-- - create friend -->

<action name="add" class="addf">
<result name="success" type="tiles">search.tiles</result>
</action>

<!-- notification -->
<action name="noti" class="noti">
<result name="success" type="tiles">main.tiles</result>
<result name="error" type="tiles">show.tiles</result>
<result name="input" type="tiles">playpoll.tiles</result>
</action>

<!-- log out -->
<action name="logout" class="logout">
<result name ="success">login.jsp</result>
</action>


<!-- profile -->

<action name="viewprofile" class="updateprofile">
<result name="success" type="tiles" >viewprofile.tiles</result>
</action>

<action name="updateprofile" class="updateprofile">
<result name="success" type="tiles">updateprofile.tiles</result>
</action>

<action name="userpro" class="userpro">
<result name="success" type="tiles">userpro.tiles</result>
</action>

<action name="savepro" class="savepro">
<result name="success" type="tiles">main.tiles</result>
</action>


<action name="about" >
<result name="success" type="tiles">about.tiles</result>
</action>



<action name="contact" >
<result name="success" type="tiles">contact.tiles</result>
</action>

</package>
</struts>

jsp

*.jsp

<%@ taglib uri="/struts-tags" prefix="s"%>

first.jsp

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@taglib uri="http://tiles.apache.org/tags-tiles" prefix="tiles" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">


<html>
<head>
<style type="text/css">

#thumbContainter {
color:white;
background: url("images/bg.png") repeat scroll left top transparent;
bottom: 0;
box-shadow: -2px 0 10px #000000 inset;
left: 0;
margin: 0;
padding: 0 10px;
position: fixed;
bottom:20px;
width: 130px;
height: 70px;
border-radius:20px;
}
* {
margin: 0;
padding: 0;
}

</style>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title><tiles:insertAttribute name="pageTitle"></tiles:insertAttribute></title>
</head>
<body marginheight="0">
<table width="100%">
<tr >
<td colspan="3" width="100R%" > <tiles:insertAttribute name="header"></tiles:insertAttribute> </td>
</tr>
<tr height="100%">
<td width="20%" > <tiles:insertAttribute name="lhs" ></tiles:insertAttribute> </td>
<td width="60%"><tiles:insertAttribute name="content"></tiles:insertAttribute> </td>
<td width="20%"> <tiles:insertAttribute name="rhs"></tiles:insertAttribute> </td>
</tr>

<tr height="60px" ><td colspan="3"> <tiles:insertAttribute name="footer"></tiles:insertAttribute> </td></tr>


</table>
</body>
</html>