Java- Exception

Servlet ,JSP IllegalstateException:

The IllegalstateException will occur if some code is exit after the response code.

Error Occur Code:
   if(username.equals("bala2e")){

      respons.sendRedirect("bala2e.blogspot.com");
}else{
       respons.sendRedirect("google.com");
}

To avoid  IllegalstateException by using following code.

By using  the return statement we can avoid the this exception

 if(username.equals("bala2e")){
      respons.sendRedirect("bala2e.blogspot.com");
   return;//to avoid  IllegalstateException 
}else{
       respons.sendRedirect("google.com");
return;

//to avoid  IllegalstateException 
}