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New to servlet - need help with print writer

Rahul Sudip Bose
Ranch Hand

Joined: Jan 21, 2011
Posts: 637

import java.io.*;
import javax.servlet.*;

public class SecondClass extends GenericServlet
{

public void service(ServletRequest request,ServletResponse response)throws ServletException,IOException
{
response.setContentType("text/html");
PrintWriter out=response.getWriter(); // LINE 1
out.println("welcome to servlet ! ");
out.close();
}

}

Can someone tell me how does PrintWriter work ? Please explain LINE 1 also.

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Ninad Kulkarni
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Joined: Aug 31, 2007
Posts: 802

UseCodeTags
It is very easy to read code.

rahul boseofindia wrote:Can someone tell me how does PrintWriter work ?

I think this question is not related to servlet
You can see this

rahul boseofindia wrote:Please explain LINE 1 also.

This will return PrintWriter object
See Servlet API






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Malatesh Karabisti
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Joined: Jul 28, 2010
Posts: 153

Rahul,

PrintWriter is the class which helps to print output in the specified locations like FileOutputStrem/File/Console. in the above code what you need to understand is from the response object we can obtain the writer which helps out send the required out put to client.
 
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