Database akhtersir

package nn;

import java.sql.*;

public class newa {
	public static void main(String[] args) throws Exception {


		String driver="com.mysql.jdbc.Driver";
		String dburl = "jdbc:mysql://localhost:3306/student";
		String user= "root";
		String pass="";
		Connection con;

		Statement stmt;
		ResultSet rs;
		String sql = "Select * from student_info";

		Class.forName(driver);

		con = DriverManager.getConnection(dburl,user,pass);

		if(con!=null)
			System.out.println("ok");

		else
			System.out.println("not ok");

		stmt =con.createStatement();
		rs =stmt.executeQuery(sql);
		System.out.println("ID name cgpa");
		while(rs.next()){
			System.out.println(rs.getString(1)+" "+rs.getString(2)+" "+rs.getFloat(3));
		}

	}

}