Question 1
You are required to write the code for sevlet which will take username and password from the html file and matches with database which contains two columns; one for username and other for password.
Providing correct information leads to welcome page otherwise to a login page again.
You are required to write the code for servlet only.
Question 2
Consider the following way for defining initialization parameters of servlet in web.xml.
<init-param>
<param-name> userName </param-name>
<param-value> admin </param-value>
</init-param>
<init-param>
<param-name> password </param-name>
<param-value> vu </param-value>
</init-param>
You are required to write the two ways for reading initialization parameters from web.xml and display its value on html file.
Question 3
You are required to write the XML equivalent tags for the following elements of JSP (Java Server Page).
1)
<%!
String str ;
public String concatenateStr(String s1, String s2){
return s1+s2 ;
}
%>
2)
<%
String s1= request.getParameter(“str1”);
String s2= request.getParameter(“str2”);
str = concatenateStr(s1, s2);
%>
3)
<%@page import = “java.util.*” %>