Let see how to print Hello world in servlet. there is three file here which we will see one by one .....
index.jsp
this is index file which contain hyperlink and when you click on given link it show you hello world on console .
Test.java
this servlet class to print Hello worlds. before using this code 1st create a package with name com.dashzin and then write a code.
Web.xml
this xml file is use to map your servlet class..
output
this all code is going to print Hello World when you will run it using server.
index.jsp
this is index file which contain hyperlink and when you click on given link it show you hello world on console .
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<a href="dash">click here to see your
output</a>
</body>
</html>
Test.java
this servlet class to print Hello worlds. before using this code 1st create a package with name com.dashzin and then write a code.
package
com.dashzin;
import
java.io.IOException;
import
javax.servlet.http.HttpServlet;
import
javax.servlet.http.HttpServletRequest;
import
javax.servlet.http.HttpServletResponse;
public
class Test extends HttpServlet {
public void service(HttpServletRequest req,
HttpServletResponse res)throws IOException{
System.out.println("hello world");
}
}
Web.xml
this xml file is use to map your servlet class..
<?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" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
<display-name>Test</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
</welcome-file-list>
<servlet>
<servlet-name>Hello</servlet-name>
<servlet-class>com.dashzin.Test</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>Hello</servlet-name>
<url-pattern>/dash</url-pattern>
</servlet-mapping>
</web-app>
output
this all code is going to print Hello World when you will run it using server.
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