General syntex of JSP setProperty Tag look like this:
Syntax:
<jsp:setProperty name="xyz" property="xyz" value="xyz"/>
The code include a package bean , we have a class Employees. The employee class include a string variable first name, last name and address. Inside the class we have a setter and getter method.
1. set XXX ( ): This method hold the value of the parameter by the implementor of interface.
2. get XXX( ): This method retrieve the value of the parameter set in the setXXX () method.
The JSP page uses this getter and setter method.
<jsp:useBean> –
1. The < jsp:use Bean> instantiate a bean class and locate a bean class with specific scope and name.
- id – A id variable is used to identify the bean in the scope .
- class -The class is represented as Package. class and instantiate a bean from class. The class should be public
- scope -This describe you the scope of the bean in which it exists.
2. <jsp:set Property> This is used to set the value of one or more properties of bean using setter method. The value of the name must match with the Id.
3. <jsp:get Property> This is used to return the bean property value using property getter method in bean package.
Example-
Employee.java
package com.dineshonjava.bean;
/**
* @author Dinesh Rajput
*
*/
public class Employee {
private String firstName;
private String lastName;
private String address;
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
}
index.jsp
<%@page contentType="text/html"%>
<%@page pageEncoding="UTF-8"%>
<html>
<body>
<h1>Employee Form Bean Value</h1>
<jsp:useBean id="emp" class="com.dineshonjava.bean.Employee" scope="page" />
<jsp:setProperty name="emp" property="firstName" value="Dinesh"/>
<jsp:setProperty name="emp" property="lastName" value="Rajput"/>
<jsp:setProperty name="emp" property="address" value="Noida"/>
<table>
<tr>
<td>First Name</td>
<td> : </td>
<td> <jsp:getProperty name="emp" property="firstName"/> </td>
</tr>
<tr>
<td>Last Name</td>
<td> : </td>
<td> <jsp:getProperty name="emp" property="lastName"/> </td>
</tr>
<tr>
<td>Address</td>
<td> : </td>
<td> <jsp:getProperty name="emp" property="address"/> </td>
</tr>
</table>
</body>
</html>
Copy myapp folder on webapp directory of tomcat at
C:Program Files (x86)Apache Software FoundationTomcat 7.0webapps
and restart server and hit the following URL
http://localhost:8080/myapp/index.jsp
