Java Servlet FirstServlet Quiz

Maintaining user state without showing the information visibly

Security risk - sensitive information can be exposed

Storing user authentication credentials in a hidden field

<p>Maintaining the state of a user</p> Signup and view all the answers

<p>Sensitive information leakage</p> Signup and view all the answers

<p>6</p> Signup and view all the answers

<p>That you cannot override this method</p> Signup and view all the answers

<p>Using the scriptlet tag</p> Signup and view all the answers

<p>To print the values of variables or methods</p> Signup and view all the answers

<p>Outside the service() method of the auto-generated servlet</p> Signup and view all the answers

<p>Passing information between pages without displaying it to users</p> Signup and view all the answers

<p>Storing a user's ID to maintain session state</p> Signup and view all the answers

<p>Hidden form fields are widely used in comment forms on websites. In such cases, the page ID or page name is stored in the hidden field to uniquely identify each page.</p> Signup and view all the answers

<p>The main advantage of hidden form fields is that they will always work whether cookies are disabled or not.</p> Signup and view all the answers

<p>A major disadvantage of hidden form fields is that they are maintained on the server-side, requiring extra form submissions on each page.</p> Signup and view all the answers

<p>Hidden form fields can only store textual information. In the given code example, the hidden field named 'uname' stores the textual value 'Vimal Jaiswal'.</p> Signup and view all the answers

<p>In the <code>SecondServlet</code> class, the <code>getParameter()</code> method is used to retrieve the value of the hidden form field named 'uname' from the request object. This value is then printed on the response page using <code>out.print(&quot;Hello &quot; + n);</code>.</p> Signup and view all the answers

<p>In a web application spanning multiple pages, hidden form fields can be used to persist data across page transitions. The data is stored in a hidden field on one page, submitted to the server, and retrieved from the request object on the next page using the <code>getParameter()</code> method.</p> Signup and view all the answers