online student registration form java & get input data for email

i am new to java and i try to make student's course apply portal, so i hope to get their Name, Mobile, Email and which course, which branch details. so then they click apply now button i need to get those details to my email (print data to the email when some one submit the data..please help me.)

i try this method, but no luck Please HELP ME..!!!

                           <div class="col-sm-6">
                               <div class="form-group">
                                   <label for="name">Name <small>*</small></label>
                                   <input id="form_name" name="name" type="text" placeholder="Enter Name" required="" class="form-control">
                               </div>
                           </div>

                           <div class="col-sm-6">
                               <div class="form-group">
                                   <label for="phone">Mobile <small>*</small></label>
                                   <input id="phone" name="phone" class="form-control required" type="text" placeholder="Enter Mobile">
                               </div>
                           </div>

                       </div>

                       <div class="row">
                           <div class="col-sm-12">
                               <div class="form-group">
                                   <label for="email">Email <small>*</small></label>
                                   <input id="email" name="email" class="form-control required email" type="email" placeholder="Enter Email">
                               </div>
                           </div>

                       </div>

                       <div class="row">
                           <div class="col-sm-12">
                               <div class="form-group mb-10">
                                   <div class="styled-select">
                                       <select id="course" name="course" class="form-control" required="">
                                           <option value="">- Select Course -</option>
                                           <optgroup label="City & Guilds">
                                               <option value="Mechanical Engineering">HND in Mechanical Engineering</option>
                                               <option value="Civil Engineering">HND in Civil Engineering</option>
                                               <option value="QS">HND in Quantity Surveying</option>
                                           </optgroup>
                                           
                                       </select>
                                   </div>
                               </div>
                           </div>
                       </div>

                       <div class="form-group">
                           <input id="form_botcheck" name="form_botcheck" class="form-control" type="hidden" value="" />
                           <button type="submit" class="btn btn-block btn-dark btn-theme-colored btn-sm mt-20 pt-10 pb-10" data-loading-text="Please wait...">Apply Now</button>
                       </div>
                       </form>
                       <!-- Job Form Validation-->
                       <script type="text/javascript">
                           $("#apply_now").validate({
                               submitHandler: function (form) {
                                   var form_btn = $(form).find('button[type="submit"]');
                                   var form_result_div = '#form-result';
                                   $(form_result_div).remove();
                                   form_btn.before('<div id="form-result" class="alert alert-success" role="alert" style="display: none;"></div>');
                                   var form_btn_old_msg = form_btn.html();
                                   form_btn.html(form_btn.prop('disabled', true).data("loading-text"));
                                   $(form).ajaxSubmit({
                                        window.alert("Application Sent!");
                                   });
                               }
                           });
                       </script>
                   </div>

                   <div class="col-md-6 wow fadeInRight" data-wow-duration="1s" data-wow-delay="0.3s">

                   </div>
               </div>
           </div>
       </div>
   </section>




</div>```

This is the code i tried, everything working but i have no luck to get the data to my email. i am not a expert so i need to know how to do this.please anyone please help me with this problem.

Thank you