Use these lines of code to answer the following questions 1. protected void doGe

Question

Use these lines of code to answer the following questions

1. protected void doGet(HttpServletRequest request, HttpServletResponse response) throws

2. ServletException, IOException {

3. if(request.getParameter("submit1")!=null)

4. {

5. String username = request.getParameter("name");

6. String responseLabel="servletResponse";

7. String responseLabelValue = "hello there "+name;

8. request.setAttribute(responseLabel,responseLabelValue);

9.

10. RequestDispatcher rd=request.getRequestDispatcher("/welcome.jsp");

11. rd.forward(request,response);

12. }

What class has this code?

In general, what is this code for?

What is the purpose of line 5?

What is the purpose of line 8?

What is a RequestDispatcher?

Explanation / Answer

Hi Dear,

What class has this code?

Ans: This code is the part of Servlet class

In general, what is this code for?

Ans: This code is to accept a GET request

What is the purpose of line 5?

Ans: It is extracting the value of "name"nameparameter from the request

What is the purpose of line 8?

Ans: setting the attribute "responseLabel" in the request

What is a RequestDispatcher?
The RequestDispatcher interface provides the facility of dispatching the request to another resource it may be html, servlet or jsp. This interface can also be used to include the content of another resource also. It is one of the way of servlet collaboration.

Related Questions

Navigate

• Browse (All)
• Browse U
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.