public Connection dbconnect()
{
    Connection conn = null;
    String url = "jdbc:mysql://localhost:3306/";
    String db = "gup";
    String driver = "com.mysql.jdbc.Driver";
    String user = "root";
    String pass = "";
    try{
        Class.forName(driver);
        conn = DriverManager.getConnection(url + db, user, pass);
        if(conn == null){
            System.out.println("Connection is not established");
        }
        return conn ;
    }
    catch(Exception e)
    {
        System.out.println(e);
    }
    return null ;
}

public void insertfile(String fpath,String fname,String fext)
{
    PreparedStatement pstmt = null;
    // Connection conn = null ;
    dbConnection dbcon = new dbConnection();
    pstmt = (PreparedStatement) dbcon.dbconnect();
    //Create the statement object
    String sql = "insert into FileDetails (folder_path,file_name,file_extension)" + "values (?,?,?)";
    try
    {

    //ResultSet rs = pstmt.executeQuery(sql);
    pstmt.setString(1, fpath);
    pstmt.setString(2, fname);
    pstmt.setString(3, fext);
    pstmt.executeQuery(sql);
    }
    catch(SQLException se)
    {
        System.out.println(se);
    }
}