Steps to servlets in java

For Running Java Servlet

1. jdk1.5.0 Kit
2. Install Tomcat6.0
3. Now set environment Variables

Right Click on My COmputer>Properties/Advanced (tab) CLick Environment Variables

Click on New Button

Variable name :   JAVA_HOME
Variable value:   C:\jdk1.5.0\bin; 
clcik ok

now Set CLASSPATH Again Click on NEW bUTTON

Variable name :    CLASSPATH
Variable value:    C:\Tomcat6\lib\servlet-api.jar;

Click Ok>>Ok>> Ok

4. Make a program in NOtepad and Save in jdk\bin directory

Compile the file and This CLass file is PASTE in the following path

C:\Tomcat6\webapps\ROOT\WEB-INF

Make a new folder name (classes), in WEB-INF folder and paste in classes FOLDER

5. Now Edit the xml file in   C:\Tomcat6\webapps\ROOT\WEB-INF

<servlet>
<servlet-name>Hello</servlet-name>
<servlet-class>Hello</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>Hello</servlet-name>
<url-pattern>/Hello</url-pattern>
</servlet-mapping>

6. Start Monitor Tomcat from Start Menu 
Server is Running in Task Bar in Green Play Button

NOW run the in Browser as

http://localhost:8080/Hello         then ENTER