
how to convert following code into servlet
int i=0;
while(rs.next())
{
%>
<tr>
<td>
<input type="checkbox" name="check<%=i%>" value=<%= rs.getString("bookid") %>>
</td>
<td>
<%= rs.getString("bookid") %></td><td><%= rs.getString("author") %>
</td>
<td>
<%= rs.getString("title") %>
</td>
</tr>
<%i++;

Here is your required code:
import java.io.*;
import java.sql.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class Servlet extends HttpServlet{
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws ServletException,IOException{
response.setContentType("text/html");
PrintWriter out = response.getWriter();
response.setContentType("text/html");
out.println("<form name=myname method=post action=edit.jsp><table border=1><tr><td></td><td><b><u>bookid</u></b></td><td><b><u>Author</u></b></td><td><b><u>title</u></b></td></tr>");
try{
Connection conn = null;
Class.forName("com.mysql.jdbc.Driver").newInstance();
conn = DriverManager.getConnection("jdbc:mysql://192.168.10.112:3306/mysql","root", "root");
ResultSet rs = null;
Statement st=null;
st=conn.createStatement();
rs = st.executeQuery("select * from book");
int i=0;
while(rs.next()){
out.println("<tr><td><input type=checkbox name=check"+i+" value="+rs.getString("bookid")+"></td><td>"+rs.getString("bookid")+"</td><td>"+rs.getString("author")+"</td><td>"+rs.getString("title")+"</td></tr>");
i++;
}
}
catch(SQLException e){
System.out.println(e.getMessage());
}
out.println("</table><input type=submit></form></html>");
}
}

import java.io.*;
import java.sql.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class Servlet extends HttpServlet{
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws ServletException,IOException{
response.setContentType("text/html");
PrintWriter out = response.getWriter();
response.setContentType("text/html");
out.println("<html><form name=myname method=post action=edit.jsp><table border=1><tr><td></td><td><b><u>bookid</u></b></td><td><b><u>Author</u></b></td><td><b><u>title</u></b></td></tr>");
try{
Connection conn = null;
Class.forName("com.mysql.jdbc.Driver").newInstance();
conn = DriverManager.getConnection("jdbc:mysql://192.168.10.112:3306/mysql","root", "root");
ResultSet rs = null;
Statement st=null;
st=conn.createStatement();
rs = st.executeQuery("select * from book");
int i=0;
while(rs.next()){
out.println("<tr><td><input type=checkbox name=check"+i+" value="+rs.getString("bookid")+"></td><td>"+rs.getString("bookid")+"</td><td>"+rs.getString("author")+"</td><td>"+rs.getString("title")+"</td></tr>");
i++;
}
}
catch(SQLException e){
System.out.println(e.getMessage());
}
out.println("</table><input type=submit></form></html>");
}
}
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