Compling error

HI, anyone konw why there is compling error? I have got a list of record from db and the following script is used to update one record when i click submit button on that record
Thx a lot
Chikkit
error
Update.java:23: incompatible types
found : java.lang.String
required: java.lang.String[]
String name[] = req.getParameter("name");
^
Update.java:24: incompatible types
found : java.lang.String
required: java.lang.String[]
String email[] = req.getParameter("email");
^
Update.java:25: incompatible types
found : java.lang.String
required: java.lang.String[]
String message[] = req.getParameter("message");
^
3 errors
script
package chikkit;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.sql.*;
public class Update extends HttpServlet {
private Connection conn = null;
private Statement stat = null;
public void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
PrintWriter out = res.getWriter();
res.setContentType("text/html");
//String name, email, message;
//name = req.getParameter("name");
//email = req.getParameter("email");
//message = req.getParameter("message");
String name[] = req.getParameter("name");
String email[] = req.getParameter("email");
String message[] = req.getParameter("message");
//top html-tags here:
out.println("<html>");
out.println("<head>");
out.println("<title>Thanks</title>");
out.println("</head>");
try {
String dbURL = "jdbc:HypersonicSQL:/members/aFomaSX4K3nMurOq8wdg4oKLfyWvjK6m/myDB/myDB";
Class.forName("org.hsql.jdbcDriver");
conn = DriverManager.getConnection(dbURL, "sa", "");
stat = conn.createStatement();
} catch (Exception e) {
out.println(" ERROR: Could not connect to database ");
out.print(e);
for(int i=0;i<name.length;i++)
String sql = "update guest set email =" + email[i] +
"where name =" + name;
try {
int numRows = stat.executeUpdate(sql);
stat.close();
} catch (SQLException s) {
out.println(" ERROR: Could not update database ");
out.print(s);
//try {
//int numRows = stat.executeUpdate(sql);
//stat.close();
//} catch (SQLException s) {
//out.println(" ERROR: Could not update database ");
//out.print(s);
out.println("<body bgcolor=\"#FFFFFF\" text=\"#000000\">");
out.println(" ");
out.println("<h3>Thanks for your entry to my guestbook, " + name + " ");
out.println("</h3>");
out.println("Go to back to: <a href=\"http://www.mycgiserver.com/~chikkit/GuestBook.jsp\">Viewing the guestbook</a> | ");
out.println("<a href=\"http://www.mycgiserver.com/~chikkit/input.html\">Writing the guestbook</a> | ");
out.println("<a href=\"http://www.mycgiserver.com/~chikkit/tutorial.html\">Tutorial</a>");
out.println("</body>");
out.println("</html>");
try {
conn.close();
} catch (SQLException s) {
out.println(" ERROR: Unable to close database connection ");

The getParameter method returns a String, so the correct way to use it is:
String name = req.getParameter("name");
String email = req.getParameter("email");
... and so on.
i hope it works!!!

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