online examination

coding for multiple choice question in jsp

View Answers

February 1, 2012 at 10:54 AM

We are providing you a simple application.

Create table test(ques,op1,op2,op3,op4,ans) and answers(id,ans).

Then try the following code:

1)form.jsp:

<%@page import="java.sql.*"%>
<html>
<form method="post" action="result.jsp">
<table>
<%
Class.forName("com.mysql.jdbc.Driver").newInstance();
Connection connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/register","root";, "root");
Statement st=connection.createStatement();
ResultSet rs=st.executeQuery("Select * from test");
int i=1;
while(rs.next()){
%>
<tr><td><%=i%></td><td><%=rs.getString("ques")%></td><td><input type="radio" value="<%=rs.getString("op1")%>" name="radio<%=i%>"/><%=rs.getString("op1")%></td><td><input type="radio" value="<%=rs.getString("op2")%>" name="radio<%=i%>"/><%=rs.getString("op2")%></td><td><input type="radio" value="<%=rs.getString("op3")%>" name="radio<%=i%>"/><%=rs.getString("op3")%></td><td><input type="radio" value="<%=rs.getString("op4")%>" name="radio<%=i%>"/><%=rs.getString("op4")%></td></tr>

<%
i++;
}
%>
<tr><td><input type="submit" value="submit"></td></tr>
</table>
</form>
</html>

2)result.jsp:

<%@page import="java.sql.*"%>

<%
String st[]=new String[10];
for(int i=0;i<st.length;i++){
int j=i+1;
st[i]=request.getParameter("radio"+j);
System.out.println(st[i]);

}
Class.forName("com.mysql.jdbc.Driver").newInstance();
Connection connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/register","root";, "root");
Statement stmt=connection.createStatement();
ResultSet rs=stmt.executeQuery("Select ans from answers");
String ans="";
while(rs.next()){
ans+=rs.getString("ans")+" ";
}
int count=0;
String answers[]=ans.split(" ");
for(int i=0;i<answers.length;i++){
if(st[i].equals(answers[i])){
count++;
}
}
out.println("Your "+count+" answers are correct");
%>

For more information, visit the following link:

http://www.roseindia.net/jsp/online-quiz-application-jsp.shtml

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