Steps to Fetch Student Data from Database
Create Html Page
index.html
<!DOCTYPE html>
<html>
<head>
<title>TODO supply a title</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width">
</head>
<body>
<form action="Search">
Enter your Name: <input type="text" name="uname"/><br/>
<input type="submit" value="search"/>
</form>
</body>
</html>Create Java Servlet
Search.java
import java.io.*;
import java.sql.*;
import javax.servlet.ServletException;
import javax.servlet.http.*;
public class Search extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String name=request.getParameter("uname");
try{
Class.forName("oracle.jdbc.driver.OracleDriver");
Connection con=DriverManager.getConnection("jdbc:oracle:thin:@mcndesktop07:1521:xe","sandeep","welcome");
PreparedStatement ps=con.prepareStatement("select * from userlogin where name=?");
ps.setString(1,name);
out.print("<table width=25% border=1>");
out.print("<center><h1>Result:</h1></center>");
ResultSet rs=ps.executeQuery();
/* Printing column names */
ResultSetMetaData rsmd=rs.getMetaData();
while(rs.next())
{
out.print("<tr>");
out.print("<td>"+rsmd.getColumnName(1)+"</td>");
out.print("<td>"+rs.getString(1)+"</td></tr>");
out.print("<tr><td>"+rsmd.getColumnName(2)+"</td>");
out.print("<td>"+rs.getString(2)+"</td></tr>");
out.print("<tr><td>"+rsmd.getColumnName(3)+"</td>");
out.print("<td>"+rs.getString(3)+"</td></tr>");
out.print("<tr><td>"+rsmd.getColumnName(4)+"</td>");
out.print("<td>"+rs.getString(4)+"</td></tr>");
}
out.print("</table>");
}catch (Exception e2)
{
e2.printStackTrace();
}
finally{out.close();
}
}
Compile your servlet code and add to Apache Directory > web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
<servlet>
<servlet-name>Search</servlet-name>
<servlet-class>Search</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>Search</servlet-name>
<url-pattern>/Search</url-pattern>
</servlet-mapping>
</web-app> 
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