How to create Hello World Servlet example using eclipse IDE with Tomcat 7? - Javastudypoint

Saturday, October 13, 2018

How to create Hello World Servlet example using eclipse IDE with Tomcat 7?

For creating a Hello World Servlet Example using eclipse IDE with tomcat 7, you just need two things:

Servlet Hello World
Servlet Hello World
             

i) Download and install Eclipse IDE for Java EE developer.


Download Eclipse IDE: eclipse ide for java ee developer

ii) Download and install Apache Tomcat server



After download and install Eclipse IDE for Java EE developer and Tomcat Server, you will be able to create Hello World Servlet Example using Eclipse IDE.

1) Create a Dynamic web project: 

To create Dynamic web project open eclipse ide -> Go to menu -> New -> Dynamic web project.



Hello World Servlet example using eclipse IDE


Write your project name and click on next.


Hello World Servlet example using eclipse IDE


click on next button



Hello World Servlet example using eclipse IDE

check on generate web.xml and click on finish button.



Hello World Servlet example using eclipse IDE



After clicking on finish button, your Eclipse IDE will automatically create a dynamic web project as shown in below.




Hello World Servlet example using eclipse IDE




2) Create a servlet class:


Once you create a dynamic web project your next step is to create a servlet class.

right click on your project -> New -> Servlet


Hello World Servlet example using eclipse IDE




Write your package name in java package field and class name in the class name field and click on next.


Hello World Servlet example using eclipse IDE


We can specify URL mapping in the following screen(web.xml) and click on next.


Hello World Servlet example using eclipse IDE


Click on the finish button.


Hello World Servlet example using eclipse IDE


After clicking on the finish button, your Eclipse IDE will generate a servlet class based on the configuration provided in previous steps as shown below.



Hello World Servlet example using eclipse IDE



3) Write your custom code:


Write your code into doGet() method and call to setContentType() establishes the MIME types of the HTTP response.In this program,the MIME type is text/html.Next the getWriter() method obtains a PrintWriter.Then println() is used to write some HTML code as the HTTP response.

Read more about HTTP Request Methods: HTTP Requests Methods


Hello World Servlet example using eclipse IDE



4) Run your Servlet Code:


To run your Servlet code right click on your project -> Run As -> 1 Run on Server.



Hello World Servlet example using eclipse IDE



Select the existing Tomcat Server and Click on the finish button.


Hello World Servlet example using eclipse IDE


5) The output on Browser.


Your Eclipse IDE will generate output on own browser and print "HELLO WORLD" on the browser.


Hello World Servlet example using eclipse IDE



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