import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.sql.*;

public class ServletChangingColumnName extends HttpServlet{
	public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{
		response.setContentType("text/html");
		PrintWriter pw = response.getWriter();
		String connectionURL = "jdbc:mysql://localhost/zulfiqar";
		Connection connection;
		try{
			Class.forName("org.gjt.mm.mysql.Driver");
			connection = DriverManager.getConnection(connectionURL, "root","admin");
			PreparedStatement pst = connection.prepareStatement("alter table emp_details change firstname Name varchar(10)");
			int i = pst.executeUpdate();
			pw.println("The name of the column has been changed");
		}
		catch(Exception e){
			pw.println("The exception is " + e);
		}
	}
}